Finding the Fourth Proportional to 2,287.55, 3,431.23 and 1,592.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287.55 : 3,431.23 = 1,592.21 : x
2. Step 2: Convert to fraction form
   2,287.55/3,431.23 = 1,592.21/x
3. Step 3: Cross multiply
   2,287.55x = 3,431.23 × 1,592.21
4. Step 4: Simplify right side
   2,287.55x = 5,463,238.72
5. Step 5: Solve for x
   x = 5,463,238.72/2,287.55
6. Step 6: Final answer
   x = 2,388.25