Finding the Fourth Proportional to 17,789.67, 26,687.25 and 5,939.78

Step by Step Solution

1. Step 1: Write the proportion equation
   17,789.67 : 26,687.25 = 5,939.78 : x
2. Step 2: Convert to fraction form
   17,789.67/26,687.25 = 5,939.78/x
3. Step 3: Cross multiply
   17,789.67x = 26,687.25 × 5,939.78
4. Step 4: Simplify right side
   17,789.67x = 158,516,260.37
5. Step 5: Solve for x
   x = 158,516,260.37/17,789.67
6. Step 6: Final answer
   x = 8,910.58