Finding the Fourth Proportional to 20,665.52, 30,993.62 and 5,874.11

Step by Step Solution

1. Step 1: Write the proportion equation
   20,665.52 : 30,993.62 = 5,874.11 : x
2. Step 2: Convert to fraction form
   20,665.52/30,993.62 = 5,874.11/x
3. Step 3: Cross multiply
   20,665.52x = 30,993.62 × 5,874.11
4. Step 4: Simplify right side
   20,665.52x = 182,059,933.18
5. Step 5: Solve for x
   x = 182,059,933.18/20,665.52
6. Step 6: Final answer
   x = 8,809.84