Finding the Fourth Proportional to 3,700.72, 5,101.24 and 2,519.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,700.72 : 5,101.24 = 2,519.76 : x
2. Step 2: Convert to fraction form
   3,700.72/5,101.24 = 2,519.76/x
3. Step 3: Cross multiply
   3,700.72x = 5,101.24 × 2,519.76
4. Step 4: Simplify right side
   3,700.72x = 12,853,900.50
5. Step 5: Solve for x
   x = 12,853,900.50/3,700.72
6. Step 6: Final answer
   x = 3,473.35