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Finding the Fourth Proportional to 369,616.32, 554,339.70 and 103,395.60

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Solution

The fourth proportional to 369,616.32, 554,339.70 and 103,395.60 is: 155,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,616.32 : 554,339.70 = 103,395.60 : x
  2. Step 2: Convert to fraction form
    369,616.32/554,339.70 = 103,395.60/x
  3. Step 3: Cross multiply
    369,616.32x = 554,339.70 × 103,395.60
  4. Step 4: Simplify right side
    369,616.32x = 57,316,285,885.32
  5. Step 5: Solve for x
    x = 57,316,285,885.32/369,616.32
  6. Step 6: Final answer
    x = 155,069.68

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