Finding the Fourth Proportional to 5,310.42, 7,967.25 and 2,715.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,310.42 : 7,967.25 = 2,715.18 : x
2. Step 2: Convert to fraction form
   5,310.42/7,967.25 = 2,715.18/x
3. Step 3: Cross multiply
   5,310.42x = 7,967.25 × 2,715.18
4. Step 4: Simplify right side
   5,310.42x = 21,632,517.86
5. Step 5: Solve for x
   x = 21,632,517.86/5,310.42
6. Step 6: Final answer
   x = 4,073.60