Finding the Fourth Proportional to 2,788.89, 3,848.78 and 1,529.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,788.89 : 3,848.78 = 1,529.99 : x
2. Step 2: Convert to fraction form
   2,788.89/3,848.78 = 1,529.99/x
3. Step 3: Cross multiply
   2,788.89x = 3,848.78 × 1,529.99
4. Step 4: Simplify right side
   2,788.89x = 5,888,594.91
5. Step 5: Solve for x
   x = 5,888,594.91/2,788.89
6. Step 6: Final answer
   x = 2,111.45