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Finding the Fourth Proportional to 258,724.90, 388,087.44 and 116,403.94

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Solution

The fourth proportional to 258,724.90, 388,087.44 and 116,403.94 is: 174,605.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,724.90 : 388,087.44 = 116,403.94 : x
  2. Step 2: Convert to fraction form
    258,724.90/388,087.44 = 116,403.94/x
  3. Step 3: Cross multiply
    258,724.90x = 388,087.44 × 116,403.94
  4. Step 4: Simplify right side
    258,724.90x = 45,174,907,080.51
  5. Step 5: Solve for x
    x = 45,174,907,080.51/258,724.90
  6. Step 6: Final answer
    x = 174,605.95

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