Finding the Fourth Proportional to 5,410.72, 8,116.06 and 1,515.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,410.72 : 8,116.06 = 1,515.16 : x
2. Step 2: Convert to fraction form
   5,410.72/8,116.06 = 1,515.16/x
3. Step 3: Cross multiply
   5,410.72x = 8,116.06 × 1,515.16
4. Step 4: Simplify right side
   5,410.72x = 12,297,129.47
5. Step 5: Solve for x
   x = 12,297,129.47/5,410.72
6. Step 6: Final answer
   x = 2,272.73