Finding the Fourth Proportional to 632,116.31, 872,158.59 and 373,981.05

Step by Step Solution

1. Step 1: Write the proportion equation
   632,116.31 : 872,158.59 = 373,981.05 : x
2. Step 2: Convert to fraction form
   632,116.31/872,158.59 = 373,981.05/x
3. Step 3: Cross multiply
   632,116.31x = 872,158.59 × 373,981.05
4. Step 4: Simplify right side
   632,116.31x = 326,170,785,254.72
5. Step 5: Solve for x
   x = 326,170,785,254.72/632,116.31
6. Step 6: Final answer
   x = 515,998.06