Finding the Fourth Proportional to 152,032.58, 209,810.88 and 100,957.25

Step by Step Solution

1. Step 1: Write the proportion equation
   152,032.58 : 209,810.88 = 100,957.25 : x
2. Step 2: Convert to fraction form
   152,032.58/209,810.88 = 100,957.25/x
3. Step 3: Cross multiply
   152,032.58x = 209,810.88 × 100,957.25
4. Step 4: Simplify right side
   152,032.58x = 21,181,929,464.88
5. Step 5: Solve for x
   x = 21,181,929,464.88/152,032.58
6. Step 6: Final answer
   x = 139,324.94