Finding the Fourth Proportional to 5,314.48, 7,976.04 and 2,718.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,314.48 : 7,976.04 = 2,718.16 : x
2. Step 2: Convert to fraction form
   5,314.48/7,976.04 = 2,718.16/x
3. Step 3: Cross multiply
   5,314.48x = 7,976.04 × 2,718.16
4. Step 4: Simplify right side
   5,314.48x = 21,680,152.89
5. Step 5: Solve for x
   x = 21,680,152.89/5,314.48
6. Step 6: Final answer
   x = 4,079.45