Finding the Fourth Proportional to 40,086.98, 55,320.13 and 22,183.21

Step by Step Solution

1. Step 1: Write the proportion equation
   40,086.98 : 55,320.13 = 22,183.21 : x
2. Step 2: Convert to fraction form
   40,086.98/55,320.13 = 22,183.21/x
3. Step 3: Cross multiply
   40,086.98x = 55,320.13 × 22,183.21
4. Step 4: Simplify right side
   40,086.98x = 1,227,178,061.02
5. Step 5: Solve for x
   x = 1,227,178,061.02/40,086.98
6. Step 6: Final answer
   x = 30,612.88