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Finding the Fourth Proportional to 58,198.71, 87,292.40 and 18,784.11

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Solution

The fourth proportional to 58,198.71, 87,292.40 and 18,784.11 is: 28,174.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,198.71 : 87,292.40 = 18,784.11 : x
  2. Step 2: Convert to fraction form
    58,198.71/87,292.40 = 18,784.11/x
  3. Step 3: Cross multiply
    58,198.71x = 87,292.40 × 18,784.11
  4. Step 4: Simplify right side
    58,198.71x = 1,639,709,949.84
  5. Step 5: Solve for x
    x = 1,639,709,949.84/58,198.71
  6. Step 6: Final answer
    x = 28,174.33

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