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Finding the Fourth Proportional to 386,058.03, 578,889.60 and 161,357.15

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Solution

The fourth proportional to 386,058.03, 578,889.60 and 161,357.15 is: 241,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,058.03 : 578,889.60 = 161,357.15 : x
  2. Step 2: Convert to fraction form
    386,058.03/578,889.60 = 161,357.15/x
  3. Step 3: Cross multiply
    386,058.03x = 578,889.60 × 161,357.15
  4. Step 4: Simplify right side
    386,058.03x = 93,407,976,020.64
  5. Step 5: Solve for x
    x = 93,407,976,020.64/386,058.03
  6. Step 6: Final answer
    x = 241,953.20

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