Finding the Fourth Proportional to 2,454.24, 3,385.76 and 1,635.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,454.24 : 3,385.76 = 1,635.86 : x
2. Step 2: Convert to fraction form
   2,454.24/3,385.76 = 1,635.86/x
3. Step 3: Cross multiply
   2,454.24x = 3,385.76 × 1,635.86
4. Step 4: Simplify right side
   2,454.24x = 5,538,629.35
5. Step 5: Solve for x
   x = 5,538,629.35/2,454.24
6. Step 6: Final answer
   x = 2,256.76