Finding the Fourth Proportional to 1,451.52, 2,002.86 and 862.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,451.52 : 2,002.86 = 862.08 : x
2. Step 2: Convert to fraction form
   1,451.52/2,002.86 = 862.08/x
3. Step 3: Cross multiply
   1,451.52x = 2,002.86 × 862.08
4. Step 4: Simplify right side
   1,451.52x = 1,726,625.55
5. Step 5: Solve for x
   x = 1,726,625.55/1,451.52
6. Step 6: Final answer
   x = 1,189.53