Finding the Fourth Proportional to 2,614.48, 3,915.72 and 1,516.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,614.48 : 3,915.72 = 1,516.12 : x
2. Step 2: Convert to fraction form
   2,614.48/3,915.72 = 1,516.12/x
3. Step 3: Cross multiply
   2,614.48x = 3,915.72 × 1,516.12
4. Step 4: Simplify right side
   2,614.48x = 5,936,701.41
5. Step 5: Solve for x
   x = 5,936,701.41/2,614.48
6. Step 6: Final answer
   x = 2,270.70