Finding the Fourth Proportional to 2,089.06, 3,131.22 and 1,623.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089.06 : 3,131.22 = 1,623.38 : x
2. Step 2: Convert to fraction form
   2,089.06/3,131.22 = 1,623.38/x
3. Step 3: Cross multiply
   2,089.06x = 3,131.22 × 1,623.38
4. Step 4: Simplify right side
   2,089.06x = 5,083,159.92
5. Step 5: Solve for x
   x = 5,083,159.92/2,089.06
6. Step 6: Final answer
   x = 2,433.23