Finding the Fourth Proportional to 40,009.34, 55,213.98 and 22,105.47

Step by Step Solution

1. Step 1: Write the proportion equation
   40,009.34 : 55,213.98 = 22,105.47 : x
2. Step 2: Convert to fraction form
   40,009.34/55,213.98 = 22,105.47/x
3. Step 3: Cross multiply
   40,009.34x = 55,213.98 × 22,105.47
4. Step 4: Simplify right side
   40,009.34x = 1,220,530,978.47
5. Step 5: Solve for x
   x = 1,220,530,978.47/40,009.34
6. Step 6: Final answer
   x = 30,506.16