Finding the Fourth Proportional to 1,105.88, 1,526.12 and 756.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.88 : 1,526.12 = 756.68 : x
2. Step 2: Convert to fraction form
   1,105.88/1,526.12 = 756.68/x
3. Step 3: Cross multiply
   1,105.88x = 1,526.12 × 756.68
4. Step 4: Simplify right side
   1,105.88x = 1,154,784.48
5. Step 5: Solve for x
   x = 1,154,784.48/1,105.88
6. Step 6: Final answer
   x = 1,044.22