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Finding the Fourth Proportional to 44,978, 67,420.92 and 18,698

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Solution

The fourth proportional to 44,978, 67,420.92 and 18,698 is: 28,027.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,978 : 67,420.92 = 18,698 : x
  2. Step 2: Convert to fraction form
    44,978/67,420.92 = 18,698/x
  3. Step 3: Cross multiply
    44,978x = 67,420.92 × 18,698
  4. Step 4: Simplify right side
    44,978x = 1,260,636,362.16
  5. Step 5: Solve for x
    x = 1,260,636,362.16/44,978
  6. Step 6: Final answer
    x = 28,027.84

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