Finding the Fourth Proportional to 83,718.28, 125,454.54 and 42,108.04

Step by Step Solution

1. Step 1: Write the proportion equation
   83,718.28 : 125,454.54 = 42,108.04 : x
2. Step 2: Convert to fraction form
   83,718.28/125,454.54 = 42,108.04/x
3. Step 3: Cross multiply
   83,718.28x = 125,454.54 × 42,108.04
4. Step 4: Simplify right side
   83,718.28x = 5,282,644,788.50
5. Step 5: Solve for x
   x = 5,282,644,788.50/83,718.28
6. Step 6: Final answer
   x = 63,100.25