Finding the Fourth Proportional to 1,775.27, 2,449.34 and 1,146.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,775.27 : 2,449.34 = 1,146.15 : x
2. Step 2: Convert to fraction form
   1,775.27/2,449.34 = 1,146.15/x
3. Step 3: Cross multiply
   1,775.27x = 2,449.34 × 1,146.15
4. Step 4: Simplify right side
   1,775.27x = 2,807,305.31
5. Step 5: Solve for x
   x = 2,807,305.31/1,775.27
6. Step 6: Final answer
   x = 1,581.34