Finding the Fourth Proportional to 2,131.50, 3,199 and 1,517.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.50 : 3,199 = 1,517.24 : x
2. Step 2: Convert to fraction form
   2,131.50/3,199 = 1,517.24/x
3. Step 3: Cross multiply
   2,131.50x = 3,199 × 1,517.24
4. Step 4: Simplify right side
   2,131.50x = 4,853,650.76
5. Step 5: Solve for x
   x = 4,853,650.76/2,131.50
6. Step 6: Final answer
   x = 2,277.11