Finding the Fourth Proportional to 2,610.50, 3,914.53 and 1,515.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.50 : 3,914.53 = 1,515.17 : x
2. Step 2: Convert to fraction form
   2,610.50/3,914.53 = 1,515.17/x
3. Step 3: Cross multiply
   2,610.50x = 3,914.53 × 1,515.17
4. Step 4: Simplify right side
   2,610.50x = 5,931,184.42
5. Step 5: Solve for x
   x = 5,931,184.42/2,610.50
6. Step 6: Final answer
   x = 2,272.05