Finding the Fourth Proportional to 2,031.88, 2,804.17 and 1,147.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,031.88 : 2,804.17 = 1,147.85 : x
2. Step 2: Convert to fraction form
   2,031.88/2,804.17 = 1,147.85/x
3. Step 3: Cross multiply
   2,031.88x = 2,804.17 × 1,147.85
4. Step 4: Simplify right side
   2,031.88x = 3,218,766.53
5. Step 5: Solve for x
   x = 3,218,766.53/2,031.88
6. Step 6: Final answer
   x = 1,584.13