Finding the Fourth Proportional to 20,588.83, 30,874.12 and 7,441.31

Step by Step Solution

1. Step 1: Write the proportion equation
   20,588.83 : 30,874.12 = 7,441.31 : x
2. Step 2: Convert to fraction form
   20,588.83/30,874.12 = 7,441.31/x
3. Step 3: Cross multiply
   20,588.83x = 30,874.12 × 7,441.31
4. Step 4: Simplify right side
   20,588.83x = 229,743,897.90
5. Step 5: Solve for x
   x = 229,743,897.90/20,588.83
6. Step 6: Final answer
   x = 11,158.67