Finding the Fourth Proportional to 1,103.32, 1,522.41 and 710.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103.32 : 1,522.41 = 710.88 : x
2. Step 2: Convert to fraction form
   1,103.32/1,522.41 = 710.88/x
3. Step 3: Cross multiply
   1,103.32x = 1,522.41 × 710.88
4. Step 4: Simplify right side
   1,103.32x = 1,082,243.21
5. Step 5: Solve for x
   x = 1,082,243.21/1,103.32
6. Step 6: Final answer
   x = 980.90