Finding the Fourth Proportional to 5,089.78, 7,023.27 and 2,851.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,089.78 : 7,023.27 = 2,851.48 : x
2. Step 2: Convert to fraction form
   5,089.78/7,023.27 = 2,851.48/x
3. Step 3: Cross multiply
   5,089.78x = 7,023.27 × 2,851.48
4. Step 4: Simplify right side
   5,089.78x = 20,026,713.94
5. Step 5: Solve for x
   x = 20,026,713.94/5,089.78
6. Step 6: Final answer
   x = 3,934.69