Finding the Fourth Proportional to 2,425.31, 3,344.27 and 1,637.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,425.31 : 3,344.27 = 1,637.99 : x
2. Step 2: Convert to fraction form
   2,425.31/3,344.27 = 1,637.99/x
3. Step 3: Cross multiply
   2,425.31x = 3,344.27 × 1,637.99
4. Step 4: Simplify right side
   2,425.31x = 5,477,864.10
5. Step 5: Solve for x
   x = 5,477,864.10/2,425.31
6. Step 6: Final answer
   x = 2,258.63