Finding the Fourth Proportional to 131,185.25, 196,611.77 and 83,782.02

Step by Step Solution

1. Step 1: Write the proportion equation
   131,185.25 : 196,611.77 = 83,782.02 : x
2. Step 2: Convert to fraction form
   131,185.25/196,611.77 = 83,782.02/x
3. Step 3: Cross multiply
   131,185.25x = 196,611.77 × 83,782.02
4. Step 4: Simplify right side
   131,185.25x = 16,472,530,827.47
5. Step 5: Solve for x
   x = 16,472,530,827.47/131,185.25
6. Step 6: Final answer
   x = 125,566.95