Finding the Fourth Proportional to 113,079.52, 156,072.96 and 65,326.24

Step by Step Solution

1. Step 1: Write the proportion equation
   113,079.52 : 156,072.96 = 65,326.24 : x
2. Step 2: Convert to fraction form
   113,079.52/156,072.96 = 65,326.24/x
3. Step 3: Cross multiply
   113,079.52x = 156,072.96 × 65,326.24
4. Step 4: Simplify right side
   113,079.52x = 10,195,659,642.47
5. Step 5: Solve for x
   x = 10,195,659,642.47/113,079.52
6. Step 6: Final answer
   x = 90,163.63