Finding the Fourth Proportional to 40,044.48, 55,256.43 and 22,139.83

Step by Step Solution

1. Step 1: Write the proportion equation
   40,044.48 : 55,256.43 = 22,139.83 : x
2. Step 2: Convert to fraction form
   40,044.48/55,256.43 = 22,139.83/x
3. Step 3: Cross multiply
   40,044.48x = 55,256.43 × 22,139.83
4. Step 4: Simplify right side
   40,044.48x = 1,223,367,994.17
5. Step 5: Solve for x
   x = 1,223,367,994.17/40,044.48
6. Step 6: Final answer
   x = 30,550.23