Finding the Fourth Proportional to 2,788.85, 3,849.12 and 1,904.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,788.85 : 3,849.12 = 1,904.33 : x
2. Step 2: Convert to fraction form
   2,788.85/3,849.12 = 1,904.33/x
3. Step 3: Cross multiply
   2,788.85x = 3,849.12 × 1,904.33
4. Step 4: Simplify right side
   2,788.85x = 7,329,994.69
5. Step 5: Solve for x
   x = 7,329,994.69/2,788.85
6. Step 6: Final answer
   x = 2,628.32