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Finding the Fourth Proportional to 68,173.84, 94,105.56 and 39,888.64

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Solution

The fourth proportional to 68,173.84, 94,105.56 and 39,888.64 is: 55,061.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,173.84 : 94,105.56 = 39,888.64 : x
  2. Step 2: Convert to fraction form
    68,173.84/94,105.56 = 39,888.64/x
  3. Step 3: Cross multiply
    68,173.84x = 94,105.56 × 39,888.64
  4. Step 4: Simplify right side
    68,173.84x = 3,753,742,804.84
  5. Step 5: Solve for x
    x = 3,753,742,804.84/68,173.84
  6. Step 6: Final answer
    x = 55,061.34

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