Finding the Fourth Proportional to 1,101.12, 1,518.72 and 659.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,101.12 : 1,518.72 = 659.04 : x
2. Step 2: Convert to fraction form
   1,101.12/1,518.72 = 659.04/x
3. Step 3: Cross multiply
   1,101.12x = 1,518.72 × 659.04
4. Step 4: Simplify right side
   1,101.12x = 1,000,897.23
5. Step 5: Solve for x
   x = 1,000,897.23/1,101.12
6. Step 6: Final answer
   x = 908.98