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Finding the Fourth Proportional to 358,401.60, 537,602.40 and 122,011.20

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Solution

The fourth proportional to 358,401.60, 537,602.40 and 122,011.20 is: 183,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,401.60 : 537,602.40 = 122,011.20 : x
  2. Step 2: Convert to fraction form
    358,401.60/537,602.40 = 122,011.20/x
  3. Step 3: Cross multiply
    358,401.60x = 537,602.40 × 122,011.20
  4. Step 4: Simplify right side
    358,401.60x = 65,593,513,946.88
  5. Step 5: Solve for x
    x = 65,593,513,946.88/358,401.60
  6. Step 6: Final answer
    x = 183,016.80

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