Finding the Fourth Proportional to 5,558.81, 8,325.69 and 3,900.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,558.81 : 8,325.69 = 3,900.32 : x
2. Step 2: Convert to fraction form
   5,558.81/8,325.69 = 3,900.32/x
3. Step 3: Cross multiply
   5,558.81x = 8,325.69 × 3,900.32
4. Step 4: Simplify right side
   5,558.81x = 32,472,876.04
5. Step 5: Solve for x
   x = 32,472,876.04/5,558.81
6. Step 6: Final answer
   x = 5,841.70