Finding the Fourth Proportional to 2,046.57, 2,824.28 and 1,115.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,046.57 : 2,824.28 = 1,115.07 : x
2. Step 2: Convert to fraction form
   2,046.57/2,824.28 = 1,115.07/x
3. Step 3: Cross multiply
   2,046.57x = 2,824.28 × 1,115.07
4. Step 4: Simplify right side
   2,046.57x = 3,149,264.32
5. Step 5: Solve for x
   x = 3,149,264.32/2,046.57
6. Step 6: Final answer
   x = 1,538.80