Finding the Fourth Proportional to 2,192.82, 3,026.18 and 1,308.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,192.82 : 3,026.18 = 1,308.70 : x
2. Step 2: Convert to fraction form
   2,192.82/3,026.18 = 1,308.70/x
3. Step 3: Cross multiply
   2,192.82x = 3,026.18 × 1,308.70
4. Step 4: Simplify right side
   2,192.82x = 3,960,361.77
5. Step 5: Solve for x
   x = 3,960,361.77/2,192.82
6. Step 6: Final answer
   x = 1,806.06