Finding the Fourth Proportional to 1,458.75, 2,014.71 and 1,131.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,458.75 : 2,014.71 = 1,131.15 : x
2. Step 2: Convert to fraction form
   1,458.75/2,014.71 = 1,131.15/x
3. Step 3: Cross multiply
   1,458.75x = 2,014.71 × 1,131.15
4. Step 4: Simplify right side
   1,458.75x = 2,278,939.22
5. Step 5: Solve for x
   x = 2,278,939.22/1,458.75
6. Step 6: Final answer
   x = 1,562.25