Finding the Fourth Proportional to 1,862.27, 2,569.28 and 1,105.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,862.27 : 2,569.28 = 1,105.86 : x
2. Step 2: Convert to fraction form
   1,862.27/2,569.28 = 1,105.86/x
3. Step 3: Cross multiply
   1,862.27x = 2,569.28 × 1,105.86
4. Step 4: Simplify right side
   1,862.27x = 2,841,258.45
5. Step 5: Solve for x
   x = 2,841,258.45/1,862.27
6. Step 6: Final answer
   x = 1,525.70