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Finding the Fourth Proportional to 52,445.68, 78,674.96 and 19,181.40

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Solution

The fourth proportional to 52,445.68, 78,674.96 and 19,181.40 is: 28,774.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,445.68 : 78,674.96 = 19,181.40 : x
  2. Step 2: Convert to fraction form
    52,445.68/78,674.96 = 19,181.40/x
  3. Step 3: Cross multiply
    52,445.68x = 78,674.96 × 19,181.40
  4. Step 4: Simplify right side
    52,445.68x = 1,509,095,877.74
  5. Step 5: Solve for x
    x = 1,509,095,877.74/52,445.68
  6. Step 6: Final answer
    x = 28,774.46

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