Finding the Fourth Proportional to 113,733.96, 156,786.72 and 79,635

Step by Step Solution

1. Step 1: Write the proportion equation
   113,733.96 : 156,786.72 = 79,635 : x
2. Step 2: Convert to fraction form
   113,733.96/156,786.72 = 79,635/x
3. Step 3: Cross multiply
   113,733.96x = 156,786.72 × 79,635
4. Step 4: Simplify right side
   113,733.96x = 12,485,710,447.20
5. Step 5: Solve for x
   x = 12,485,710,447.20/113,733.96
6. Step 6: Final answer
   x = 109,779.97