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Finding the Fourth Proportional to 306,909.84, 423,556.88 and 186,056.22

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Solution

The fourth proportional to 306,909.84, 423,556.88 and 186,056.22 is: 256,770.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,909.84 : 423,556.88 = 186,056.22 : x
  2. Step 2: Convert to fraction form
    306,909.84/423,556.88 = 186,056.22/x
  3. Step 3: Cross multiply
    306,909.84x = 423,556.88 × 186,056.22
  4. Step 4: Simplify right side
    306,909.84x = 78,805,393,106.69
  5. Step 5: Solve for x
    x = 78,805,393,106.69/306,909.84
  6. Step 6: Final answer
    x = 256,770.50

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