Finding the Fourth Proportional to 5,151.59, 7,109.19 and 2,793.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,151.59 : 7,109.19 = 2,793.72 : x
2. Step 2: Convert to fraction form
   5,151.59/7,109.19 = 2,793.72/x
3. Step 3: Cross multiply
   5,151.59x = 7,109.19 × 2,793.72
4. Step 4: Simplify right side
   5,151.59x = 19,861,086.29
5. Step 5: Solve for x
   x = 19,861,086.29/5,151.59
6. Step 6: Final answer
   x = 3,855.34