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Finding the Fourth Proportional to 103,696.55, 155,477.86 and 56,936.87

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Solution

The fourth proportional to 103,696.55, 155,477.86 and 56,936.87 is: 85,368.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,696.55 : 155,477.86 = 56,936.87 : x
  2. Step 2: Convert to fraction form
    103,696.55/155,477.86 = 56,936.87/x
  3. Step 3: Cross multiply
    103,696.55x = 155,477.86 × 56,936.87
  4. Step 4: Simplify right side
    103,696.55x = 8,852,422,702.70
  5. Step 5: Solve for x
    x = 8,852,422,702.70/103,696.55
  6. Step 6: Final answer
    x = 85,368.54

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