Finding the Fourth Proportional to 5,151.49, 7,109.06 and 2,793.61

Step by Step Solution

1. Step 1: Write the proportion equation
   5,151.49 : 7,109.06 = 2,793.61 : x
2. Step 2: Convert to fraction form
   5,151.49/7,109.06 = 2,793.61/x
3. Step 3: Cross multiply
   5,151.49x = 7,109.06 × 2,793.61
4. Step 4: Simplify right side
   5,151.49x = 19,859,941.11
5. Step 5: Solve for x
   x = 19,859,941.11/5,151.49
6. Step 6: Final answer
   x = 3,855.18