Finding the Fourth Proportional to 151,651.72, 209,280.08 and 83,669.52

Step by Step Solution

1. Step 1: Write the proportion equation
   151,651.72 : 209,280.08 = 83,669.52 : x
2. Step 2: Convert to fraction form
   151,651.72/209,280.08 = 83,669.52/x
3. Step 3: Cross multiply
   151,651.72x = 209,280.08 × 83,669.52
4. Step 4: Simplify right side
   151,651.72x = 17,510,363,839.16
5. Step 5: Solve for x
   x = 17,510,363,839.16/151,651.72
6. Step 6: Final answer
   x = 115,464.33