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Finding the Fourth Proportional to 103,427.36, 155,137.94 and 28,552.08

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Solution

The fourth proportional to 103,427.36, 155,137.94 and 28,552.08 is: 42,827.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,427.36 : 155,137.94 = 28,552.08 : x
  2. Step 2: Convert to fraction form
    103,427.36/155,137.94 = 28,552.08/x
  3. Step 3: Cross multiply
    103,427.36x = 155,137.94 × 28,552.08
  4. Step 4: Simplify right side
    103,427.36x = 4,429,510,873.92
  5. Step 5: Solve for x
    x = 4,429,510,873.92/103,427.36
  6. Step 6: Final answer
    x = 42,827.26

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