Finding the Fourth Proportional to 354,665.31, 532,078.16 and 118,017.33

Step by Step Solution

1. Step 1: Write the proportion equation
   354,665.31 : 532,078.16 = 118,017.33 : x
2. Step 2: Convert to fraction form
   354,665.31/532,078.16 = 118,017.33/x
3. Step 3: Cross multiply
   354,665.31x = 532,078.16 × 118,017.33
4. Step 4: Simplify right side
   354,665.31x = 62,794,443,204.43
5. Step 5: Solve for x
   x = 62,794,443,204.43/354,665.31
6. Step 6: Final answer
   x = 177,052.68