Finding the Fourth Proportional to 5,820.71, 8,032.61 and 3,168.09

Step by Step Solution

1. Step 1: Write the proportion equation
   5,820.71 : 8,032.61 = 3,168.09 : x
2. Step 2: Convert to fraction form
   5,820.71/8,032.61 = 3,168.09/x
3. Step 3: Cross multiply
   5,820.71x = 8,032.61 × 3,168.09
4. Step 4: Simplify right side
   5,820.71x = 25,448,039.34
5. Step 5: Solve for x
   x = 25,448,039.34/5,820.71
6. Step 6: Final answer
   x = 4,371.99