Finding the Fourth Proportional to 40,142.02, 55,395.81 and 22,238.14

Step by Step Solution

1. Step 1: Write the proportion equation
   40,142.02 : 55,395.81 = 22,238.14 : x
2. Step 2: Convert to fraction form
   40,142.02/55,395.81 = 22,238.14/x
3. Step 3: Cross multiply
   40,142.02x = 55,395.81 × 22,238.14
4. Step 4: Simplify right side
   40,142.02x = 1,231,899,778.19
5. Step 5: Solve for x
   x = 1,231,899,778.19/40,142.02
6. Step 6: Final answer
   x = 30,688.53