Finding the Fourth Proportional to 1,109.98, 1,532.27 and 717.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109.98 : 1,532.27 = 717.19 : x
2. Step 2: Convert to fraction form
   1,109.98/1,532.27 = 717.19/x
3. Step 3: Cross multiply
   1,109.98x = 1,532.27 × 717.19
4. Step 4: Simplify right side
   1,109.98x = 1,098,928.72
5. Step 5: Solve for x
   x = 1,098,928.72/1,109.98
6. Step 6: Final answer
   x = 990.04