Finding the Fourth Proportional to 72,834.88, 109,263.84 and 26,086.72

Step by Step Solution

1. Step 1: Write the proportion equation
   72,834.88 : 109,263.84 = 26,086.72 : x
2. Step 2: Convert to fraction form
   72,834.88/109,263.84 = 26,086.72/x
3. Step 3: Cross multiply
   72,834.88x = 109,263.84 × 26,086.72
4. Step 4: Simplify right side
   72,834.88x = 2,850,335,200.20
5. Step 5: Solve for x
   x = 2,850,335,200.20/72,834.88
6. Step 6: Final answer
   x = 39,134.21