Finding the Fourth Proportional to 2,788.51, 3,848.09 and 1,529.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,788.51 : 3,848.09 = 1,529.57 : x
2. Step 2: Convert to fraction form
   2,788.51/3,848.09 = 1,529.57/x
3. Step 3: Cross multiply
   2,788.51x = 3,848.09 × 1,529.57
4. Step 4: Simplify right side
   2,788.51x = 5,885,923.02
5. Step 5: Solve for x
   x = 5,885,923.02/2,788.51
6. Step 6: Final answer
   x = 2,110.78