Finding the Fourth Proportional to 2,337.32, 3,225.50 and 1,289.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,337.32 : 3,225.50 = 1,289.38 : x
2. Step 2: Convert to fraction form
   2,337.32/3,225.50 = 1,289.38/x
3. Step 3: Cross multiply
   2,337.32x = 3,225.50 × 1,289.38
4. Step 4: Simplify right side
   2,337.32x = 4,158,872.62
5. Step 5: Solve for x
   x = 4,158,872.62/2,337.32
6. Step 6: Final answer
   x = 1,779.33