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Finding the Fourth Proportional to 221,859.54, 306,130.77 and 126,368.10

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Solution

The fourth proportional to 221,859.54, 306,130.77 and 126,368.10 is: 174,367.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,859.54 : 306,130.77 = 126,368.10 : x
  2. Step 2: Convert to fraction form
    221,859.54/306,130.77 = 126,368.10/x
  3. Step 3: Cross multiply
    221,859.54x = 306,130.77 × 126,368.10
  4. Step 4: Simplify right side
    221,859.54x = 38,685,163,756.44
  5. Step 5: Solve for x
    x = 38,685,163,756.44/221,859.54
  6. Step 6: Final answer
    x = 174,367.82

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