Finding the Fourth Proportional to 2,569.46, 3,853.71 and 1,108.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,569.46 : 3,853.71 = 1,108.72 : x
2. Step 2: Convert to fraction form
   2,569.46/3,853.71 = 1,108.72/x
3. Step 3: Cross multiply
   2,569.46x = 3,853.71 × 1,108.72
4. Step 4: Simplify right side
   2,569.46x = 4,272,690.17
5. Step 5: Solve for x
   x = 4,272,690.17/2,569.46
6. Step 6: Final answer
   x = 1,662.88