Finding the Fourth Proportional to 113,256.18, 156,290.22 and 62,268.86

Step by Step Solution

1. Step 1: Write the proportion equation
   113,256.18 : 156,290.22 = 62,268.86 : x
2. Step 2: Convert to fraction form
   113,256.18/156,290.22 = 62,268.86/x
3. Step 3: Cross multiply
   113,256.18x = 156,290.22 × 62,268.86
4. Step 4: Simplify right side
   113,256.18x = 9,732,013,047.10
5. Step 5: Solve for x
   x = 9,732,013,047.10/113,256.18
6. Step 6: Final answer
   x = 85,929.20