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Finding the Fourth Proportional to 384,896.92, 531,136.28 and 212,804.92

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Solution

The fourth proportional to 384,896.92, 531,136.28 and 212,804.92 is: 293,658.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,896.92 : 531,136.28 = 212,804.92 : x
  2. Step 2: Convert to fraction form
    384,896.92/531,136.28 = 212,804.92/x
  3. Step 3: Cross multiply
    384,896.92x = 531,136.28 × 212,804.92
  4. Step 4: Simplify right side
    384,896.92x = 113,028,413,574.50
  5. Step 5: Solve for x
    x = 113,028,413,574.50/384,896.92
  6. Step 6: Final answer
    x = 293,658.92

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