Finding the Fourth Proportional to 2,193.32, 3,026.56 and 1,309

Step by Step Solution

1. Step 1: Write the proportion equation
   2,193.32 : 3,026.56 = 1,309 : x
2. Step 2: Convert to fraction form
   2,193.32/3,026.56 = 1,309/x
3. Step 3: Cross multiply
   2,193.32x = 3,026.56 × 1,309
4. Step 4: Simplify right side
   2,193.32x = 3,961,767.04
5. Step 5: Solve for x
   x = 3,961,767.04/2,193.32
6. Step 6: Final answer
   x = 1,806.29