Finding the Fourth Proportional to 3,884.56, 5,359.25 and 2,488.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,884.56 : 5,359.25 = 2,488.12 : x
2. Step 2: Convert to fraction form
   3,884.56/5,359.25 = 2,488.12/x
3. Step 3: Cross multiply
   3,884.56x = 5,359.25 × 2,488.12
4. Step 4: Simplify right side
   3,884.56x = 13,334,449.93
5. Step 5: Solve for x
   x = 13,334,449.93/3,884.56
6. Step 6: Final answer
   x = 3,432.68