Finding the Fourth Proportional to 40,106.72, 55,339.12 and 22,200.46

Step by Step Solution

1. Step 1: Write the proportion equation
   40,106.72 : 55,339.12 = 22,200.46 : x
2. Step 2: Convert to fraction form
   40,106.72/55,339.12 = 22,200.46/x
3. Step 3: Cross multiply
   40,106.72x = 55,339.12 × 22,200.46
4. Step 4: Simplify right side
   40,106.72x = 1,228,553,920.00
5. Step 5: Solve for x
   x = 1,228,553,920.00/40,106.72
6. Step 6: Final answer
   x = 30,632.12