Finding the Fourth Proportional to 113,522.72, 156,653.26 and 67,579.92

Step by Step Solution

1. Step 1: Write the proportion equation
   113,522.72 : 156,653.26 = 67,579.92 : x
2. Step 2: Convert to fraction form
   113,522.72/156,653.26 = 67,579.92/x
3. Step 3: Cross multiply
   113,522.72x = 156,653.26 × 67,579.92
4. Step 4: Simplify right side
   113,522.72x = 10,586,614,609.59
5. Step 5: Solve for x
   x = 10,586,614,609.59/113,522.72
6. Step 6: Final answer
   x = 93,255.47