Finding the Fourth Proportional to 2,788.27, 3,847.78 and 1,529.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,788.27 : 3,847.78 = 1,529.33 : x
2. Step 2: Convert to fraction form
   2,788.27/3,847.78 = 1,529.33/x
3. Step 3: Cross multiply
   2,788.27x = 3,847.78 × 1,529.33
4. Step 4: Simplify right side
   2,788.27x = 5,884,502.33
5. Step 5: Solve for x
   x = 5,884,502.33/2,788.27
6. Step 6: Final answer
   x = 2,110.45