Finding the Fourth Proportional to 5,258.13, 7,255.89 and 2,900.27

Step by Step Solution

1. Step 1: Write the proportion equation
   5,258.13 : 7,255.89 = 2,900.27 : x
2. Step 2: Convert to fraction form
   5,258.13/7,255.89 = 2,900.27/x
3. Step 3: Cross multiply
   5,258.13x = 7,255.89 × 2,900.27
4. Step 4: Simplify right side
   5,258.13x = 21,044,003.81
5. Step 5: Solve for x
   x = 21,044,003.81/5,258.13
6. Step 6: Final answer
   x = 4,002.18