Finding the Fourth Proportional to 91,080.76, 125,648.55 and 59,238.04

Step by Step Solution

1. Step 1: Write the proportion equation
   91,080.76 : 125,648.55 = 59,238.04 : x
2. Step 2: Convert to fraction form
   91,080.76/125,648.55 = 59,238.04/x
3. Step 3: Cross multiply
   91,080.76x = 125,648.55 × 59,238.04
4. Step 4: Simplify right side
   91,080.76x = 7,443,173,830.84
5. Step 5: Solve for x
   x = 7,443,173,830.84/91,080.76
6. Step 6: Final answer
   x = 81,720.59