Finding the Fourth Proportional to 1,115.98, 1,540.76 and 1,046.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,115.98 : 1,540.76 = 1,046.25 : x
2. Step 2: Convert to fraction form
   1,115.98/1,540.76 = 1,046.25/x
3. Step 3: Cross multiply
   1,115.98x = 1,540.76 × 1,046.25
4. Step 4: Simplify right side
   1,115.98x = 1,612,014.92
5. Step 5: Solve for x
   x = 1,612,014.92/1,115.98
6. Step 6: Final answer
   x = 1,444.49