Finding the Fourth Proportional to 2,335.71, 3,222.43 and 1,626.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,335.71 : 3,222.43 = 1,626.30 : x
2. Step 2: Convert to fraction form
   2,335.71/3,222.43 = 1,626.30/x
3. Step 3: Cross multiply
   2,335.71x = 3,222.43 × 1,626.30
4. Step 4: Simplify right side
   2,335.71x = 5,240,637.91
5. Step 5: Solve for x
   x = 5,240,637.91/2,335.71
6. Step 6: Final answer
   x = 2,243.70