Finding the Fourth Proportional to 40,139.33, 55,392.32 and 22,233.96

Step by Step Solution

1. Step 1: Write the proportion equation
   40,139.33 : 55,392.32 = 22,233.96 : x
2. Step 2: Convert to fraction form
   40,139.33/55,392.32 = 22,233.96/x
3. Step 3: Cross multiply
   40,139.33x = 55,392.32 × 22,233.96
4. Step 4: Simplify right side
   40,139.33x = 1,231,590,682.77
5. Step 5: Solve for x
   x = 1,231,590,682.77/40,139.33
6. Step 6: Final answer
   x = 30,682.89