Finding the Fourth Proportional to 20,651.24, 30,978.03 and 5,859

Step by Step Solution

1. Step 1: Write the proportion equation
   20,651.24 : 30,978.03 = 5,859 : x
2. Step 2: Convert to fraction form
   20,651.24/30,978.03 = 5,859/x
3. Step 3: Cross multiply
   20,651.24x = 30,978.03 × 5,859
4. Step 4: Simplify right side
   20,651.24x = 181,500,277.77
5. Step 5: Solve for x
   x = 181,500,277.77/20,651.24
6. Step 6: Final answer
   x = 8,788.83