Finding the Fourth Proportional to 113,732.96, 156,785.34 and 79,634

Step by Step Solution

1. Step 1: Write the proportion equation
   113,732.96 : 156,785.34 = 79,634 : x
2. Step 2: Convert to fraction form
   113,732.96/156,785.34 = 79,634/x
3. Step 3: Cross multiply
   113,732.96x = 156,785.34 × 79,634
4. Step 4: Simplify right side
   113,732.96x = 12,485,443,765.56
5. Step 5: Solve for x
   x = 12,485,443,765.56/113,732.96
6. Step 6: Final answer
   x = 109,778.59