Finding the Fourth Proportional to 1,100.88, 1,518.49 and 769.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.88 : 1,518.49 = 769.18 : x
2. Step 2: Convert to fraction form
   1,100.88/1,518.49 = 769.18/x
3. Step 3: Cross multiply
   1,100.88x = 1,518.49 × 769.18
4. Step 4: Simplify right side
   1,100.88x = 1,167,992.14
5. Step 5: Solve for x
   x = 1,167,992.14/1,100.88
6. Step 6: Final answer
   x = 1,060.96