Finding the Fourth Proportional to 112,747.96, 155,605.29 and 65,003.02

Step by Step Solution

1. Step 1: Write the proportion equation
   112,747.96 : 155,605.29 = 65,003.02 : x
2. Step 2: Convert to fraction form
   112,747.96/155,605.29 = 65,003.02/x
3. Step 3: Cross multiply
   112,747.96x = 155,605.29 × 65,003.02
4. Step 4: Simplify right side
   112,747.96x = 10,114,813,145.20
5. Step 5: Solve for x
   x = 10,114,813,145.20/112,747.96
6. Step 6: Final answer
   x = 89,711.72