Finding the Fourth Proportional to 1,109.10, 1,528.82 and 759.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109.10 : 1,528.82 = 759.18 : x
2. Step 2: Convert to fraction form
   1,109.10/1,528.82 = 759.18/x
3. Step 3: Cross multiply
   1,109.10x = 1,528.82 × 759.18
4. Step 4: Simplify right side
   1,109.10x = 1,160,649.57
5. Step 5: Solve for x
   x = 1,160,649.57/1,109.10
6. Step 6: Final answer
   x = 1,046.48