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Finding the Fourth Proportional to 388,292.56, 536,009.06 and 261,041.97

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Solution

The fourth proportional to 388,292.56, 536,009.06 and 261,041.97 is: 360,349.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,292.56 : 536,009.06 = 261,041.97 : x
  2. Step 2: Convert to fraction form
    388,292.56/536,009.06 = 261,041.97/x
  3. Step 3: Cross multiply
    388,292.56x = 536,009.06 × 261,041.97
  4. Step 4: Simplify right side
    388,292.56x = 139,920,860,960.25
  5. Step 5: Solve for x
    x = 139,920,860,960.25/388,292.56
  6. Step 6: Final answer
    x = 360,349.07

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