Finding the Fourth Proportional to 113,773.30, 156,939.50 and 73,510.80

Step by Step Solution

1. Step 1: Write the proportion equation
   113,773.30 : 156,939.50 = 73,510.80 : x
2. Step 2: Convert to fraction form
   113,773.30/156,939.50 = 73,510.80/x
3. Step 3: Cross multiply
   113,773.30x = 156,939.50 × 73,510.80
4. Step 4: Simplify right side
   113,773.30x = 11,536,748,196.60
5. Step 5: Solve for x
   x = 11,536,748,196.60/113,773.30
6. Step 6: Final answer
   x = 101,401.19