Finding the Fourth Proportional to 2,040.48, 2,815.89 and 1,156.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040.48 : 2,815.89 = 1,156.35 : x
2. Step 2: Convert to fraction form
   2,040.48/2,815.89 = 1,156.35/x
3. Step 3: Cross multiply
   2,040.48x = 2,815.89 × 1,156.35
4. Step 4: Simplify right side
   2,040.48x = 3,256,154.40
5. Step 5: Solve for x
   x = 3,256,154.40/2,040.48
6. Step 6: Final answer
   x = 1,595.78