Finding the Fourth Proportional to 2,516.34, 3,472.38 and 1,397.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,516.34 : 3,472.38 = 1,397.22 : x
2. Step 2: Convert to fraction form
   2,516.34/3,472.38 = 1,397.22/x
3. Step 3: Cross multiply
   2,516.34x = 3,472.38 × 1,397.22
4. Step 4: Simplify right side
   2,516.34x = 4,851,678.78
5. Step 5: Solve for x
   x = 4,851,678.78/2,516.34
6. Step 6: Final answer
   x = 1,928.07