Finding the Fourth Proportional to 3,114.72, 4,300.24 and 2,548.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,114.72 : 4,300.24 = 2,548.80 : x
2. Step 2: Convert to fraction form
   3,114.72/4,300.24 = 2,548.80/x
3. Step 3: Cross multiply
   3,114.72x = 4,300.24 × 2,548.80
4. Step 4: Simplify right side
   3,114.72x = 10,960,451.71
5. Step 5: Solve for x
   x = 10,960,451.71/3,114.72
6. Step 6: Final answer
   x = 3,518.92