Finding the Fourth Proportional to 10,843.71, 16,265.46 and 5,580.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,843.71 : 16,265.46 = 5,580.18 : x
2. Step 2: Convert to fraction form
   10,843.71/16,265.46 = 5,580.18/x
3. Step 3: Cross multiply
   10,843.71x = 16,265.46 × 5,580.18
4. Step 4: Simplify right side
   10,843.71x = 90,764,194.58
5. Step 5: Solve for x
   x = 90,764,194.58/10,843.71
6. Step 6: Final answer
   x = 8,370.22