Finding the Fourth Proportional to 2,482.91, 3,724.37 and 839.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,482.91 : 3,724.37 = 839.46 : x
2. Step 2: Convert to fraction form
   2,482.91/3,724.37 = 839.46/x
3. Step 3: Cross multiply
   2,482.91x = 3,724.37 × 839.46
4. Step 4: Simplify right side
   2,482.91x = 3,126,461.74
5. Step 5: Solve for x
   x = 3,126,461.74/2,482.91
6. Step 6: Final answer
   x = 1,259.20