Finding the Fourth Proportional to 17,793.05, 26,689.52 and 5,321.79

Step by Step Solution

1. Step 1: Write the proportion equation
   17,793.05 : 26,689.52 = 5,321.79 : x
2. Step 2: Convert to fraction form
   17,793.05/26,689.52 = 5,321.79/x
3. Step 3: Cross multiply
   17,793.05x = 26,689.52 × 5,321.79
4. Step 4: Simplify right side
   17,793.05x = 142,036,033.95
5. Step 5: Solve for x
   x = 142,036,033.95/17,793.05
6. Step 6: Final answer
   x = 7,982.67