Finding the Fourth Proportional to 5,411.97, 8,116.71 and 2,487.47

Step by Step Solution

1. Step 1: Write the proportion equation
   5,411.97 : 8,116.71 = 2,487.47 : x
2. Step 2: Convert to fraction form
   5,411.97/8,116.71 = 2,487.47/x
3. Step 3: Cross multiply
   5,411.97x = 8,116.71 × 2,487.47
4. Step 4: Simplify right side
   5,411.97x = 20,190,032.04
5. Step 5: Solve for x
   x = 20,190,032.04/5,411.97
6. Step 6: Final answer
   x = 3,730.63