Finding the Fourth Proportional to 2,337.23, 3,225.37 and 1,289.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,337.23 : 3,225.37 = 1,289.30 : x
2. Step 2: Convert to fraction form
   2,337.23/3,225.37 = 1,289.30/x
3. Step 3: Cross multiply
   2,337.23x = 3,225.37 × 1,289.30
4. Step 4: Simplify right side
   2,337.23x = 4,158,469.54
5. Step 5: Solve for x
   x = 4,158,469.54/2,337.23
6. Step 6: Final answer
   x = 1,779.23