Finding the Fourth Proportional to 1,100.40, 1,518.72 and 675.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.40 : 1,518.72 = 675.28 : x
2. Step 2: Convert to fraction form
   1,100.40/1,518.72 = 675.28/x
3. Step 3: Cross multiply
   1,100.40x = 1,518.72 × 675.28
4. Step 4: Simplify right side
   1,100.40x = 1,025,561.24
5. Step 5: Solve for x
   x = 1,025,561.24/1,100.40
6. Step 6: Final answer
   x = 931.99