Finding the Fourth Proportional to 2,482.52, 3,723.72 and 839.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,482.52 : 3,723.72 = 839.02 : x
2. Step 2: Convert to fraction form
   2,482.52/3,723.72 = 839.02/x
3. Step 3: Cross multiply
   2,482.52x = 3,723.72 × 839.02
4. Step 4: Simplify right side
   2,482.52x = 3,124,275.55
5. Step 5: Solve for x
   x = 3,124,275.55/2,482.52
6. Step 6: Final answer
   x = 1,258.51