Finding the Fourth Proportional to 1,100.12, 1,517.74 and 707.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.12 : 1,517.74 = 707.27 : x
2. Step 2: Convert to fraction form
   1,100.12/1,517.74 = 707.27/x
3. Step 3: Cross multiply
   1,100.12x = 1,517.74 × 707.27
4. Step 4: Simplify right side
   1,100.12x = 1,073,442.61
5. Step 5: Solve for x
   x = 1,073,442.61/1,100.12
6. Step 6: Final answer
   x = 975.75