Finding the Fourth Proportional to 10,114.94, 15,172.34 and 2,718.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,114.94 : 15,172.34 = 2,718.78 : x
2. Step 2: Convert to fraction form
   10,114.94/15,172.34 = 2,718.78/x
3. Step 3: Cross multiply
   10,114.94x = 15,172.34 × 2,718.78
4. Step 4: Simplify right side
   10,114.94x = 41,250,254.55
5. Step 5: Solve for x
   x = 41,250,254.55/10,114.94
6. Step 6: Final answer
   x = 4,078.15