Finding the Fourth Proportional to 5,116.32, 7,019.52 and 4,868.64

Step by Step Solution

1. Step 1: Write the proportion equation
   5,116.32 : 7,019.52 = 4,868.64 : x
2. Step 2: Convert to fraction form
   5,116.32/7,019.52 = 4,868.64/x
3. Step 3: Cross multiply
   5,116.32x = 7,019.52 × 4,868.64
4. Step 4: Simplify right side
   5,116.32x = 34,175,515.85
5. Step 5: Solve for x
   x = 34,175,515.85/5,116.32
6. Step 6: Final answer
   x = 6,679.71