Finding the Fourth Proportional to 113,826.77, 157,081.21 and 62,839.54

Step by Step Solution

1. Step 1: Write the proportion equation
   113,826.77 : 157,081.21 = 62,839.54 : x
2. Step 2: Convert to fraction form
   113,826.77/157,081.21 = 62,839.54/x
3. Step 3: Cross multiply
   113,826.77x = 157,081.21 × 62,839.54
4. Step 4: Simplify right side
   113,826.77x = 9,870,911,062.50
5. Step 5: Solve for x
   x = 9,870,911,062.50/113,826.77
6. Step 6: Final answer
   x = 86,718.71