Finding the Fourth Proportional to 113,522.96, 156,498 and 79,425.80

Step by Step Solution

1. Step 1: Write the proportion equation
   113,522.96 : 156,498 = 79,425.80 : x
2. Step 2: Convert to fraction form
   113,522.96/156,498 = 79,425.80/x
3. Step 3: Cross multiply
   113,522.96x = 156,498 × 79,425.80
4. Step 4: Simplify right side
   113,522.96x = 12,429,978,848.40
5. Step 5: Solve for x
   x = 12,429,978,848.40/113,522.96
6. Step 6: Final answer
   x = 109,493.08