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Finding the Fourth Proportional to 74,569.01, 102,902.20 and 42,715.76

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Solution

The fourth proportional to 74,569.01, 102,902.20 and 42,715.76 is: 58,946.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,569.01 : 102,902.20 = 42,715.76 : x
  2. Step 2: Convert to fraction form
    74,569.01/102,902.20 = 42,715.76/x
  3. Step 3: Cross multiply
    74,569.01x = 102,902.20 × 42,715.76
  4. Step 4: Simplify right side
    74,569.01x = 4,395,545,057.37
  5. Step 5: Solve for x
    x = 4,395,545,057.37/74,569.01
  6. Step 6: Final answer
    x = 58,946.01

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