Finding the Fourth Proportional to 2,337.83, 3,226.20 and 1,289.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,337.83 : 3,226.20 = 1,289.89 : x
2. Step 2: Convert to fraction form
   2,337.83/3,226.20 = 1,289.89/x
3. Step 3: Cross multiply
   2,337.83x = 3,226.20 × 1,289.89
4. Step 4: Simplify right side
   2,337.83x = 4,161,442.31
5. Step 5: Solve for x
   x = 4,161,442.31/2,337.83
6. Step 6: Final answer
   x = 1,780.05