Finding the Fourth Proportional to 6,114.88, 8,443.70 and 3,880.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,114.88 : 8,443.70 = 3,880.72 : x
2. Step 2: Convert to fraction form
   6,114.88/8,443.70 = 3,880.72/x
3. Step 3: Cross multiply
   6,114.88x = 8,443.70 × 3,880.72
4. Step 4: Simplify right side
   6,114.88x = 32,767,635.46
5. Step 5: Solve for x
   x = 32,767,635.46/6,114.88
6. Step 6: Final answer
   x = 5,358.67