Finding the Fourth Proportional to 151,737.50, 209,404.32 and 84,669.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,737.50 : 209,404.32 = 84,669.50 : x
2. Step 2: Convert to fraction form
   151,737.50/209,404.32 = 84,669.50/x
3. Step 3: Cross multiply
   151,737.50x = 209,404.32 × 84,669.50
4. Step 4: Simplify right side
   151,737.50x = 17,730,159,072.24
5. Step 5: Solve for x
   x = 17,730,159,072.24/151,737.50
6. Step 6: Final answer
   x = 116,847.58