Finding the Fourth Proportional to 2,047.40, 2,825.52 and 1,115.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.40 : 2,825.52 = 1,115.96 : x
2. Step 2: Convert to fraction form
   2,047.40/2,825.52 = 1,115.96/x
3. Step 3: Cross multiply
   2,047.40x = 2,825.52 × 1,115.96
4. Step 4: Simplify right side
   2,047.40x = 3,153,167.30
5. Step 5: Solve for x
   x = 3,153,167.30/2,047.40
6. Step 6: Final answer
   x = 1,540.08