Finding the Fourth Proportional to 5,259.34, 7,891.31 and 2,793.55

Step by Step Solution

1. Step 1: Write the proportion equation
   5,259.34 : 7,891.31 = 2,793.55 : x
2. Step 2: Convert to fraction form
   5,259.34/7,891.31 = 2,793.55/x
3. Step 3: Cross multiply
   5,259.34x = 7,891.31 × 2,793.55
4. Step 4: Simplify right side
   5,259.34x = 22,044,778.27
5. Step 5: Solve for x
   x = 22,044,778.27/5,259.34
6. Step 6: Final answer
   x = 4,191.55