Finding the Fourth Proportional to 103,471.83, 142,766.18 and 60,426.89

Step by Step Solution

1. Step 1: Write the proportion equation
   103,471.83 : 142,766.18 = 60,426.89 : x
2. Step 2: Convert to fraction form
   103,471.83/142,766.18 = 60,426.89/x
3. Step 3: Cross multiply
   103,471.83x = 142,766.18 × 60,426.89
4. Step 4: Simplify right side
   103,471.83x = 8,626,915,465.22
5. Step 5: Solve for x
   x = 8,626,915,465.22/103,471.83
6. Step 6: Final answer
   x = 83,374.53