Finding the Fourth Proportional to 1,103.58, 1,522.26 and 710.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.58 : 1,522.26 = 710.10 : x
2. Step 2: Convert to fraction form
   1,103.58/1,522.26 = 710.10/x
3. Step 3: Cross multiply
   1,103.58x = 1,522.26 × 710.10
4. Step 4: Simplify right side
   1,103.58x = 1,080,956.83
5. Step 5: Solve for x
   x = 1,080,956.83/1,103.58
6. Step 6: Final answer
   x = 979.50