Finding the Fourth Proportional to 3,760.28, 5,185.38 and 2,499.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,760.28 : 5,185.38 = 2,499.72 : x
2. Step 2: Convert to fraction form
   3,760.28/5,185.38 = 2,499.72/x
3. Step 3: Cross multiply
   3,760.28x = 5,185.38 × 2,499.72
4. Step 4: Simplify right side
   3,760.28x = 12,961,998.09
5. Step 5: Solve for x
   x = 12,961,998.09/3,760.28
6. Step 6: Final answer
   x = 3,447.08