Finding the Fourth Proportional to 113,062.56, 156,008.16 and 65,322.24

Step by Step Solution

1. Step 1: Write the proportion equation
   113,062.56 : 156,008.16 = 65,322.24 : x
2. Step 2: Convert to fraction form
   113,062.56/156,008.16 = 65,322.24/x
3. Step 3: Cross multiply
   113,062.56x = 156,008.16 × 65,322.24
4. Step 4: Simplify right side
   113,062.56x = 10,190,802,469.48
5. Step 5: Solve for x
   x = 10,190,802,469.48/113,062.56
6. Step 6: Final answer
   x = 90,134.19