Finding the Fourth Proportional to 1,451.52, 2,003.04 and 830.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,451.52 : 2,003.04 = 830.52 : x
2. Step 2: Convert to fraction form
   1,451.52/2,003.04 = 830.52/x
3. Step 3: Cross multiply
   1,451.52x = 2,003.04 × 830.52
4. Step 4: Simplify right side
   1,451.52x = 1,663,564.78
5. Step 5: Solve for x
   x = 1,663,564.78/1,451.52
6. Step 6: Final answer
   x = 1,146.08