Finding the Fourth Proportional to 2,788.38, 3,847.89 and 1,529.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,788.38 : 3,847.89 = 1,529.49 : x
2. Step 2: Convert to fraction form
   2,788.38/3,847.89 = 1,529.49/x
3. Step 3: Cross multiply
   2,788.38x = 3,847.89 × 1,529.49
4. Step 4: Simplify right side
   2,788.38x = 5,885,309.28
5. Step 5: Solve for x
   x = 5,885,309.28/2,788.38
6. Step 6: Final answer
   x = 2,110.66