Finding the Fourth Proportional to 146,861.83, 202,679.35 and 83,200.15

Step by Step Solution

1. Step 1: Write the proportion equation
   146,861.83 : 202,679.35 = 83,200.15 : x
2. Step 2: Convert to fraction form
   146,861.83/202,679.35 = 83,200.15/x
3. Step 3: Cross multiply
   146,861.83x = 202,679.35 × 83,200.15
4. Step 4: Simplify right side
   146,861.83x = 16,862,952,321.90
5. Step 5: Solve for x
   x = 16,862,952,321.90/146,861.83
6. Step 6: Final answer
   x = 114,821.89