Finding the Fourth Proportional to 124,870.01, 172,268.37 and 81,859.82

Step by Step Solution

1. Step 1: Write the proportion equation
   124,870.01 : 172,268.37 = 81,859.82 : x
2. Step 2: Convert to fraction form
   124,870.01/172,268.37 = 81,859.82/x
3. Step 3: Cross multiply
   124,870.01x = 172,268.37 × 81,859.82
4. Step 4: Simplify right side
   124,870.01x = 14,101,856,898.55
5. Step 5: Solve for x
   x = 14,101,856,898.55/124,870.01
6. Step 6: Final answer
   x = 112,932.30