Finding the Fourth Proportional to 2,337.59, 3,225.89 and 1,289.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,337.59 : 3,225.89 = 1,289.66 : x
2. Step 2: Convert to fraction form
   2,337.59/3,225.89 = 1,289.66/x
3. Step 3: Cross multiply
   2,337.59x = 3,225.89 × 1,289.66
4. Step 4: Simplify right side
   2,337.59x = 4,160,288.39
5. Step 5: Solve for x
   x = 4,160,288.39/2,337.59
6. Step 6: Final answer
   x = 1,779.73