Finding the Fourth Proportional to 5,480.50, 8,225.23 and 3,840.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,480.50 : 8,225.23 = 3,840.34 : x
2. Step 2: Convert to fraction form
   5,480.50/8,225.23 = 3,840.34/x
3. Step 3: Cross multiply
   5,480.50x = 8,225.23 × 3,840.34
4. Step 4: Simplify right side
   5,480.50x = 31,587,679.78
5. Step 5: Solve for x
   x = 31,587,679.78/5,480.50
6. Step 6: Final answer
   x = 5,763.65