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Finding the Fourth Proportional to 71,804.96, 99,089.16 and 39,973.22

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Solution

The fourth proportional to 71,804.96, 99,089.16 and 39,973.22 is: 55,162.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,804.96 : 99,089.16 = 39,973.22 : x
  2. Step 2: Convert to fraction form
    71,804.96/99,089.16 = 39,973.22/x
  3. Step 3: Cross multiply
    71,804.96x = 99,089.16 × 39,973.22
  4. Step 4: Simplify right side
    71,804.96x = 3,960,912,792.30
  5. Step 5: Solve for x
    x = 3,960,912,792.30/71,804.96
  6. Step 6: Final answer
    x = 55,162.11

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