Finding the Fourth Proportional to 1,088.26, 1,499.39 and 714.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,088.26 : 1,499.39 = 714.59 : x
2. Step 2: Convert to fraction form
   1,088.26/1,499.39 = 714.59/x
3. Step 3: Cross multiply
   1,088.26x = 1,499.39 × 714.59
4. Step 4: Simplify right side
   1,088.26x = 1,071,449.10
5. Step 5: Solve for x
   x = 1,071,449.10/1,088.26
6. Step 6: Final answer
   x = 984.55