Finding the Fourth Proportional to 2,192.54, 3,025.76 and 1,308.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,192.54 : 3,025.76 = 1,308.42 : x
2. Step 2: Convert to fraction form
   2,192.54/3,025.76 = 1,308.42/x
3. Step 3: Cross multiply
   2,192.54x = 3,025.76 × 1,308.42
4. Step 4: Simplify right side
   2,192.54x = 3,958,958.36
5. Step 5: Solve for x
   x = 3,958,958.36/2,192.54
6. Step 6: Final answer
   x = 1,805.65