Finding the Fourth Proportional to 2,337.25, 3,225.42 and 1,289.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,337.25 : 3,225.42 = 1,289.35 : x
2. Step 2: Convert to fraction form
   2,337.25/3,225.42 = 1,289.35/x
3. Step 3: Cross multiply
   2,337.25x = 3,225.42 × 1,289.35
4. Step 4: Simplify right side
   2,337.25x = 4,158,695.28
5. Step 5: Solve for x
   x = 4,158,695.28/2,337.25
6. Step 6: Final answer
   x = 1,779.31