Finding the Fourth Proportional to 5,089.89, 7,023.88 and 2,851.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,089.89 : 7,023.88 = 2,851.86 : x
2. Step 2: Convert to fraction form
   5,089.89/7,023.88 = 2,851.86/x
3. Step 3: Cross multiply
   5,089.89x = 7,023.88 × 2,851.86
4. Step 4: Simplify right side
   5,089.89x = 20,031,122.42
5. Step 5: Solve for x
   x = 20,031,122.42/5,089.89
6. Step 6: Final answer
   x = 3,935.47