Finding the Fourth Proportional to 5,258.07, 7,256.05 and 2,900.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,258.07 : 7,256.05 = 2,900.16 : x
2. Step 2: Convert to fraction form
   5,258.07/7,256.05 = 2,900.16/x
3. Step 3: Cross multiply
   5,258.07x = 7,256.05 × 2,900.16
4. Step 4: Simplify right side
   5,258.07x = 21,043,698.72
5. Step 5: Solve for x
   x = 21,043,698.72/5,258.07
6. Step 6: Final answer
   x = 4,002.17