Finding the Fourth Proportional to 113,417.52, 156,516.24 and 65,673.40

Step by Step Solution

1. Step 1: Write the proportion equation
   113,417.52 : 156,516.24 = 65,673.40 : x
2. Step 2: Convert to fraction form
   113,417.52/156,516.24 = 65,673.40/x
3. Step 3: Cross multiply
   113,417.52x = 156,516.24 × 65,673.40
4. Step 4: Simplify right side
   113,417.52x = 10,278,953,636.02
5. Step 5: Solve for x
   x = 10,278,953,636.02/113,417.52
6. Step 6: Final answer
   x = 90,629.33