Finding the Fourth Proportional to 1,137.41, 1,565.24 and 1,105.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,137.41 : 1,565.24 = 1,105.29 : x
2. Step 2: Convert to fraction form
   1,137.41/1,565.24 = 1,105.29/x
3. Step 3: Cross multiply
   1,137.41x = 1,565.24 × 1,105.29
4. Step 4: Simplify right side
   1,137.41x = 1,730,038.59
5. Step 5: Solve for x
   x = 1,730,038.59/1,137.41
6. Step 6: Final answer
   x = 1,521.04