Finding the Fourth Proportional to 2,238.82, 3,090.38 and 1,601.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.82 : 3,090.38 = 1,601.56 : x
2. Step 2: Convert to fraction form
   2,238.82/3,090.38 = 1,601.56/x
3. Step 3: Cross multiply
   2,238.82x = 3,090.38 × 1,601.56
4. Step 4: Simplify right side
   2,238.82x = 4,949,405.53
5. Step 5: Solve for x
   x = 4,949,405.53/2,238.82
6. Step 6: Final answer
   x = 2,210.73