Finding the Fourth Proportional to 2,788.46, 3,848.16 and 1,529.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,788.46 : 3,848.16 = 1,529.61 : x
2. Step 2: Convert to fraction form
   2,788.46/3,848.16 = 1,529.61/x
3. Step 3: Cross multiply
   2,788.46x = 3,848.16 × 1,529.61
4. Step 4: Simplify right side
   2,788.46x = 5,886,184.02
5. Step 5: Solve for x
   x = 5,886,184.02/2,788.46
6. Step 6: Final answer
   x = 2,110.91