Finding the Fourth Proportional to 2,796.64, 4,197.12 and 1,258.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,796.64 : 4,197.12 = 1,258.72 : x
2. Step 2: Convert to fraction form
   2,796.64/4,197.12 = 1,258.72/x
3. Step 3: Cross multiply
   2,796.64x = 4,197.12 × 1,258.72
4. Step 4: Simplify right side
   2,796.64x = 5,282,998.89
5. Step 5: Solve for x
   x = 5,282,998.89/2,796.64
6. Step 6: Final answer
   x = 1,889.05