Finding the Fourth Proportional to 2,446.78, 3,376.82 and 1,384.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,446.78 : 3,376.82 = 1,384.96 : x
2. Step 2: Convert to fraction form
   2,446.78/3,376.82 = 1,384.96/x
3. Step 3: Cross multiply
   2,446.78x = 3,376.82 × 1,384.96
4. Step 4: Simplify right side
   2,446.78x = 4,676,760.63
5. Step 5: Solve for x
   x = 4,676,760.63/2,446.78
6. Step 6: Final answer
   x = 1,911.39