Finding the Fourth Proportional to 5,258.38, 7,256.56 and 2,900.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,258.38 : 7,256.56 = 2,900.52 : x
2. Step 2: Convert to fraction form
   5,258.38/7,256.56 = 2,900.52/x
3. Step 3: Cross multiply
   5,258.38x = 7,256.56 × 2,900.52
4. Step 4: Simplify right side
   5,258.38x = 21,047,797.41
5. Step 5: Solve for x
   x = 21,047,797.41/5,258.38
6. Step 6: Final answer
   x = 4,002.72