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Finding the Fourth Proportional to 101,860.22, 140,564.42 and 56,538.08

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Solution

The fourth proportional to 101,860.22, 140,564.42 and 56,538.08 is: 78,021.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,860.22 : 140,564.42 = 56,538.08 : x
  2. Step 2: Convert to fraction form
    101,860.22/140,564.42 = 56,538.08/x
  3. Step 3: Cross multiply
    101,860.22x = 140,564.42 × 56,538.08
  4. Step 4: Simplify right side
    101,860.22x = 7,947,242,423.11
  5. Step 5: Solve for x
    x = 7,947,242,423.11/101,860.22
  6. Step 6: Final answer
    x = 78,021.06

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