Finding the Fourth Proportional to 2,793.31, 3,849.20 and 1,994.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,793.31 : 3,849.20 = 1,994.38 : x
2. Step 2: Convert to fraction form
   2,793.31/3,849.20 = 1,994.38/x
3. Step 3: Cross multiply
   2,793.31x = 3,849.20 × 1,994.38
4. Step 4: Simplify right side
   2,793.31x = 7,676,767.50
5. Step 5: Solve for x
   x = 7,676,767.50/2,793.31
6. Step 6: Final answer
   x = 2,748.27