Finding the Fourth Proportional to 3,875.20, 5,782.04 and 3,599.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,875.20 : 5,782.04 = 3,599.92 : x
2. Step 2: Convert to fraction form
   3,875.20/5,782.04 = 3,599.92/x
3. Step 3: Cross multiply
   3,875.20x = 5,782.04 × 3,599.92
4. Step 4: Simplify right side
   3,875.20x = 20,814,881.44
5. Step 5: Solve for x
   x = 20,814,881.44/3,875.20
6. Step 6: Final answer
   x = 5,371.31