Finding the Fourth Proportional to 5,410.86, 8,116.50 and 1,515.17

Step by Step Solution

1. Step 1: Write the proportion equation
   5,410.86 : 8,116.50 = 1,515.17 : x
2. Step 2: Convert to fraction form
   5,410.86/8,116.50 = 1,515.17/x
3. Step 3: Cross multiply
   5,410.86x = 8,116.50 × 1,515.17
4. Step 4: Simplify right side
   5,410.86x = 12,297,851.33
5. Step 5: Solve for x
   x = 12,297,851.33/5,410.86
6. Step 6: Final answer
   x = 2,272.81