Finding the Fourth Proportional to 70,137.55, 96,729.98 and 59,288.24

Step by Step Solution

1. Step 1: Write the proportion equation
   70,137.55 : 96,729.98 = 59,288.24 : x
2. Step 2: Convert to fraction form
   70,137.55/96,729.98 = 59,288.24/x
3. Step 3: Cross multiply
   70,137.55x = 96,729.98 × 59,288.24
4. Step 4: Simplify right side
   70,137.55x = 5,734,950,662.41
5. Step 5: Solve for x
   x = 5,734,950,662.41/70,137.55
6. Step 6: Final answer
   x = 81,767.20