Finding the Fourth Proportional to 1,458.59, 2,185.41 and 880.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,458.59 : 2,185.41 = 880.25 : x
2. Step 2: Convert to fraction form
   1,458.59/2,185.41 = 880.25/x
3. Step 3: Cross multiply
   1,458.59x = 2,185.41 × 880.25
4. Step 4: Simplify right side
   1,458.59x = 1,923,707.15
5. Step 5: Solve for x
   x = 1,923,707.15/1,458.59
6. Step 6: Final answer
   x = 1,318.88