Finding the Fourth Proportional to 2,261.62, 3,394.78 and 1,384.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,261.62 : 3,394.78 = 1,384.73 : x
2. Step 2: Convert to fraction form
   2,261.62/3,394.78 = 1,384.73/x
3. Step 3: Cross multiply
   2,261.62x = 3,394.78 × 1,384.73
4. Step 4: Simplify right side
   2,261.62x = 4,700,846.00
5. Step 5: Solve for x
   x = 4,700,846.00/2,261.62
6. Step 6: Final answer
   x = 2,078.53