Finding the Fourth Proportional to 3,340.71, 5,007.62 and 1,148.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,340.71 : 5,007.62 = 1,148.24 : x
2. Step 2: Convert to fraction form
   3,340.71/5,007.62 = 1,148.24/x
3. Step 3: Cross multiply
   3,340.71x = 5,007.62 × 1,148.24
4. Step 4: Simplify right side
   3,340.71x = 5,749,964.98
5. Step 5: Solve for x
   x = 5,749,964.98/3,340.71
6. Step 6: Final answer
   x = 1,721.18