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Finding the Fourth Proportional to 68,978.36, 103,415.09 and 35,677.22

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Solution

The fourth proportional to 68,978.36, 103,415.09 and 35,677.22 is: 53,488.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,978.36 : 103,415.09 = 35,677.22 : x
  2. Step 2: Convert to fraction form
    68,978.36/103,415.09 = 35,677.22/x
  3. Step 3: Cross multiply
    68,978.36x = 103,415.09 × 35,677.22
  4. Step 4: Simplify right side
    68,978.36x = 3,689,562,221.79
  5. Step 5: Solve for x
    x = 3,689,562,221.79/68,978.36
  6. Step 6: Final answer
    x = 53,488.70

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