Finding the Fourth Proportional to 2,280.69, 3,419.17 and 1,458.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280.69 : 3,419.17 = 1,458.74 : x
2. Step 2: Convert to fraction form
   2,280.69/3,419.17 = 1,458.74/x
3. Step 3: Cross multiply
   2,280.69x = 3,419.17 × 1,458.74
4. Step 4: Simplify right side
   2,280.69x = 4,987,684.95
5. Step 5: Solve for x
   x = 4,987,684.95/2,280.69
6. Step 6: Final answer
   x = 2,186.92