Finding the Fourth Proportional to 41,100.78, 56,718.82 and 22,238.04

Step by Step Solution

1. Step 1: Write the proportion equation
   41,100.78 : 56,718.82 = 22,238.04 : x
2. Step 2: Convert to fraction form
   41,100.78/56,718.82 = 22,238.04/x
3. Step 3: Cross multiply
   41,100.78x = 56,718.82 × 22,238.04
4. Step 4: Simplify right side
   41,100.78x = 1,261,315,387.91
5. Step 5: Solve for x
   x = 1,261,315,387.91/41,100.78
6. Step 6: Final answer
   x = 30,688.36