Finding the Fourth Proportional to 2,454.57, 3,679.11 and 1,222.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,454.57 : 3,679.11 = 1,222.86 : x
2. Step 2: Convert to fraction form
   2,454.57/3,679.11 = 1,222.86/x
3. Step 3: Cross multiply
   2,454.57x = 3,679.11 × 1,222.86
4. Step 4: Simplify right side
   2,454.57x = 4,499,036.45
5. Step 5: Solve for x
   x = 4,499,036.45/2,454.57
6. Step 6: Final answer
   x = 1,832.92