Finding the Fourth Proportional to 5,258.28, 7,256.49 and 2,900.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,258.28 : 7,256.49 = 2,900.52 : x
2. Step 2: Convert to fraction form
   5,258.28/7,256.49 = 2,900.52/x
3. Step 3: Cross multiply
   5,258.28x = 7,256.49 × 2,900.52
4. Step 4: Simplify right side
   5,258.28x = 21,047,594.37
5. Step 5: Solve for x
   x = 21,047,594.37/5,258.28
6. Step 6: Final answer
   x = 4,002.75