Finding the Fourth Proportional to 2,617.18, 3,926.16 and 1,384.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,617.18 : 3,926.16 = 1,384.27 : x
2. Step 2: Convert to fraction form
   2,617.18/3,926.16 = 1,384.27/x
3. Step 3: Cross multiply
   2,617.18x = 3,926.16 × 1,384.27
4. Step 4: Simplify right side
   2,617.18x = 5,434,855.69
5. Step 5: Solve for x
   x = 5,434,855.69/2,617.18
6. Step 6: Final answer
   x = 2,076.61