Finding the Fourth Proportional to 91,578.84, 126,380.06 and 59,729.46

Step by Step Solution

1. Step 1: Write the proportion equation
   91,578.84 : 126,380.06 = 59,729.46 : x
2. Step 2: Convert to fraction form
   91,578.84/126,380.06 = 59,729.46/x
3. Step 3: Cross multiply
   91,578.84x = 126,380.06 × 59,729.46
4. Step 4: Simplify right side
   91,578.84x = 7,548,612,738.57
5. Step 5: Solve for x
   x = 7,548,612,738.57/91,578.84
6. Step 6: Final answer
   x = 82,427.48