Finding the Fourth Proportional to 2,616.69, 3,927.06 and 1,366.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616.69 : 3,927.06 = 1,366.05 : x
2. Step 2: Convert to fraction form
   2,616.69/3,927.06 = 1,366.05/x
3. Step 3: Cross multiply
   2,616.69x = 3,927.06 × 1,366.05
4. Step 4: Simplify right side
   2,616.69x = 5,364,560.31
5. Step 5: Solve for x
   x = 5,364,560.31/2,616.69
6. Step 6: Final answer
   x = 2,050.13