Finding the Fourth Proportional to 2,591.67, 3,885.30 and 1,032.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.67 : 3,885.30 = 1,032.78 : x
2. Step 2: Convert to fraction form
   2,591.67/3,885.30 = 1,032.78/x
3. Step 3: Cross multiply
   2,591.67x = 3,885.30 × 1,032.78
4. Step 4: Simplify right side
   2,591.67x = 4,012,660.13
5. Step 5: Solve for x
   x = 4,012,660.13/2,591.67
6. Step 6: Final answer
   x = 1,548.29