Finding the Fourth Proportional to 102,785.29, 141,835.86 and 62,493.46

Step by Step Solution

1. Step 1: Write the proportion equation
   102,785.29 : 141,835.86 = 62,493.46 : x
2. Step 2: Convert to fraction form
   102,785.29/141,835.86 = 62,493.46/x
3. Step 3: Cross multiply
   102,785.29x = 141,835.86 × 62,493.46
4. Step 4: Simplify right side
   102,785.29x = 8,863,813,288.89
5. Step 5: Solve for x
   x = 8,863,813,288.89/102,785.29
6. Step 6: Final answer
   x = 86,236.21