Finding the Fourth Proportional to 1,818.66, 2,509.59 and 1,032.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,818.66 : 2,509.59 = 1,032.72 : x
2. Step 2: Convert to fraction form
   1,818.66/2,509.59 = 1,032.72/x
3. Step 3: Cross multiply
   1,818.66x = 2,509.59 × 1,032.72
4. Step 4: Simplify right side
   1,818.66x = 2,591,703.78
5. Step 5: Solve for x
   x = 2,591,703.78/1,818.66
6. Step 6: Final answer
   x = 1,425.06