Finding the Fourth Proportional to 5,254.15, 7,251.15 and 2,896.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,254.15 : 7,251.15 = 2,896.69 : x
2. Step 2: Convert to fraction form
   5,254.15/7,251.15 = 2,896.69/x
3. Step 3: Cross multiply
   5,254.15x = 7,251.15 × 2,896.69
4. Step 4: Simplify right side
   5,254.15x = 21,004,333.69
5. Step 5: Solve for x
   x = 21,004,333.69/5,254.15
6. Step 6: Final answer
   x = 3,997.67