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Finding the Fourth Proportional to 98,833.53, 136,400.04 and 56,398.44

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Solution

The fourth proportional to 98,833.53, 136,400.04 and 56,398.44 is: 77,835.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,833.53 : 136,400.04 = 56,398.44 : x
  2. Step 2: Convert to fraction form
    98,833.53/136,400.04 = 56,398.44/x
  3. Step 3: Cross multiply
    98,833.53x = 136,400.04 × 56,398.44
  4. Step 4: Simplify right side
    98,833.53x = 7,692,749,471.94
  5. Step 5: Solve for x
    x = 7,692,749,471.94/98,833.53
  6. Step 6: Final answer
    x = 77,835.42

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