Finding the Fourth Proportional to 1,516.18, 2,260.72 and 1,513.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,516.18 : 2,260.72 = 1,513.22 : x
2. Step 2: Convert to fraction form
   1,516.18/2,260.72 = 1,513.22/x
3. Step 3: Cross multiply
   1,516.18x = 2,260.72 × 1,513.22
4. Step 4: Simplify right side
   1,516.18x = 3,420,966.72
5. Step 5: Solve for x
   x = 3,420,966.72/1,516.18
6. Step 6: Final answer
   x = 2,256.31