Finding the Fourth Proportional to 2,488.18, 3,727.41 and 1,908.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.18 : 3,727.41 = 1,908.22 : x
2. Step 2: Convert to fraction form
   2,488.18/3,727.41 = 1,908.22/x
3. Step 3: Cross multiply
   2,488.18x = 3,727.41 × 1,908.22
4. Step 4: Simplify right side
   2,488.18x = 7,112,718.31
5. Step 5: Solve for x
   x = 7,112,718.31/2,488.18
6. Step 6: Final answer
   x = 2,858.60