Finding the Fourth Proportional to 1,132.58, 1,569.56 and 1,110.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132.58 : 1,569.56 = 1,110.72 : x
2. Step 2: Convert to fraction form
   1,132.58/1,569.56 = 1,110.72/x
3. Step 3: Cross multiply
   1,132.58x = 1,569.56 × 1,110.72
4. Step 4: Simplify right side
   1,132.58x = 1,743,341.68
5. Step 5: Solve for x
   x = 1,743,341.68/1,132.58
6. Step 6: Final answer
   x = 1,539.27