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Finding the Fourth Proportional to 93,272.23, 128,562.06 and 66,013.06

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Solution

The fourth proportional to 93,272.23, 128,562.06 and 66,013.06 is: 90,989.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,272.23 : 128,562.06 = 66,013.06 : x
  2. Step 2: Convert to fraction form
    93,272.23/128,562.06 = 66,013.06/x
  3. Step 3: Cross multiply
    93,272.23x = 128,562.06 × 66,013.06
  4. Step 4: Simplify right side
    93,272.23x = 8,486,774,980.50
  5. Step 5: Solve for x
    x = 8,486,774,980.50/93,272.23
  6. Step 6: Final answer
    x = 90,989.30

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