Finding the Fourth Proportional to 83,191.30, 124,693.25 and 40,981.95

Step by Step Solution

1. Step 1: Write the proportion equation
   83,191.30 : 124,693.25 = 40,981.95 : x
2. Step 2: Convert to fraction form
   83,191.30/124,693.25 = 40,981.95/x
3. Step 3: Cross multiply
   83,191.30x = 124,693.25 × 40,981.95
4. Step 4: Simplify right side
   83,191.30x = 5,110,172,331.93
5. Step 5: Solve for x
   x = 5,110,172,331.93/83,191.30
6. Step 6: Final answer
   x = 61,426.77