Finding the Fourth Proportional to 2,238.24, 3,088.32 and 1,306.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.24 : 3,088.32 = 1,306.56 : x
2. Step 2: Convert to fraction form
   2,238.24/3,088.32 = 1,306.56/x
3. Step 3: Cross multiply
   2,238.24x = 3,088.32 × 1,306.56
4. Step 4: Simplify right side
   2,238.24x = 4,035,075.38
5. Step 5: Solve for x
   x = 4,035,075.38/2,238.24
6. Step 6: Final answer
   x = 1,802.79