Finding the Fourth Proportional to 2,591.72, 3,885.24 and 1,032.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.72 : 3,885.24 = 1,032.80 : x
2. Step 2: Convert to fraction form
   2,591.72/3,885.24 = 1,032.80/x
3. Step 3: Cross multiply
   2,591.72x = 3,885.24 × 1,032.80
4. Step 4: Simplify right side
   2,591.72x = 4,012,675.87
5. Step 5: Solve for x
   x = 4,012,675.87/2,591.72
6. Step 6: Final answer
   x = 1,548.27