Finding the Fourth Proportional to 2,529.78, 3,491.12 and 1,410.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,529.78 : 3,491.12 = 1,410.79 : x
2. Step 2: Convert to fraction form
   2,529.78/3,491.12 = 1,410.79/x
3. Step 3: Cross multiply
   2,529.78x = 3,491.12 × 1,410.79
4. Step 4: Simplify right side
   2,529.78x = 4,925,231.89
5. Step 5: Solve for x
   x = 4,925,231.89/2,529.78
6. Step 6: Final answer
   x = 1,946.90