Finding the Fourth Proportional to 2,192.74, 3,025.71 and 1,308.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,192.74 : 3,025.71 = 1,308.38 : x
2. Step 2: Convert to fraction form
   2,192.74/3,025.71 = 1,308.38/x
3. Step 3: Cross multiply
   2,192.74x = 3,025.71 × 1,308.38
4. Step 4: Simplify right side
   2,192.74x = 3,958,763.32
5. Step 5: Solve for x
   x = 3,958,763.32/2,192.74
6. Step 6: Final answer
   x = 1,805.40