Finding the Fourth Proportional to 113,631, 156,646.82 and 79,533.96

Step by Step Solution

1. Step 1: Write the proportion equation
   113,631 : 156,646.82 = 79,533.96 : x
2. Step 2: Convert to fraction form
   113,631/156,646.82 = 79,533.96/x
3. Step 3: Cross multiply
   113,631x = 156,646.82 × 79,533.96
4. Step 4: Simplify right side
   113,631x = 12,458,741,916.01
5. Step 5: Solve for x
   x = 12,458,741,916.01/113,631
6. Step 6: Final answer
   x = 109,642.10