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Finding the Fourth Proportional to 318,806.84, 478,284.03 and 108,444.75

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Solution

The fourth proportional to 318,806.84, 478,284.03 and 108,444.75 is: 162,692.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,806.84 : 478,284.03 = 108,444.75 : x
  2. Step 2: Convert to fraction form
    318,806.84/478,284.03 = 108,444.75/x
  3. Step 3: Cross multiply
    318,806.84x = 478,284.03 × 108,444.75
  4. Step 4: Simplify right side
    318,806.84x = 51,867,392,062.34
  5. Step 5: Solve for x
    x = 51,867,392,062.34/318,806.84
  6. Step 6: Final answer
    x = 162,692.22

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