Finding the Fourth Proportional to 3,422.56, 5,141.12 and 2,454.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,422.56 : 5,141.12 = 2,454.88 : x
2. Step 2: Convert to fraction form
   3,422.56/5,141.12 = 2,454.88/x
3. Step 3: Cross multiply
   3,422.56x = 5,141.12 × 2,454.88
4. Step 4: Simplify right side
   3,422.56x = 12,620,832.67
5. Step 5: Solve for x
   x = 12,620,832.67/3,422.56
6. Step 6: Final answer
   x = 3,687.54