Finding the Fourth Proportional to 2,192.16, 3,025.22 and 1,308

Step by Step Solution

1. Step 1: Write the proportion equation
   2,192.16 : 3,025.22 = 1,308 : x
2. Step 2: Convert to fraction form
   2,192.16/3,025.22 = 1,308/x
3. Step 3: Cross multiply
   2,192.16x = 3,025.22 × 1,308
4. Step 4: Simplify right side
   2,192.16x = 3,956,981.22
5. Step 5: Solve for x
   x = 3,956,981.22/2,192.16
6. Step 6: Final answer
   x = 1,805.06