Finding the Fourth Proportional to 2,337.42, 3,225.48 and 1,289.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,337.42 : 3,225.48 = 1,289.50 : x
2. Step 2: Convert to fraction form
   2,337.42/3,225.48 = 1,289.50/x
3. Step 3: Cross multiply
   2,337.42x = 3,225.48 × 1,289.50
4. Step 4: Simplify right side
   2,337.42x = 4,159,256.46
5. Step 5: Solve for x
   x = 4,159,256.46/2,337.42
6. Step 6: Final answer
   x = 1,779.42