Finding the Fourth Proportional to 151,522.50, 209,102.25 and 83,541.90

Step by Step Solution

1. Step 1: Write the proportion equation
   151,522.50 : 209,102.25 = 83,541.90 : x
2. Step 2: Convert to fraction form
   151,522.50/209,102.25 = 83,541.90/x
3. Step 3: Cross multiply
   151,522.50x = 209,102.25 × 83,541.90
4. Step 4: Simplify right side
   151,522.50x = 17,468,799,259.28
5. Step 5: Solve for x
   x = 17,468,799,259.28/151,522.50
6. Step 6: Final answer
   x = 115,288.48