Finding the Fourth Proportional to 113,826.02, 157,081.18 and 62,838.78

Step by Step Solution

1. Step 1: Write the proportion equation
   113,826.02 : 157,081.18 = 62,838.78 : x
2. Step 2: Convert to fraction form
   113,826.02/157,081.18 = 62,838.78/x
3. Step 3: Cross multiply
   113,826.02x = 157,081.18 × 62,838.78
4. Step 4: Simplify right side
   113,826.02x = 9,870,789,712.16
5. Step 5: Solve for x
   x = 9,870,789,712.16/113,826.02
6. Step 6: Final answer
   x = 86,718.22