Finding the Fourth Proportional to 40,178.49, 55,442.59 and 22,271.98

Step by Step Solution

1. Step 1: Write the proportion equation
   40,178.49 : 55,442.59 = 22,271.98 : x
2. Step 2: Convert to fraction form
   40,178.49/55,442.59 = 22,271.98/x
3. Step 3: Cross multiply
   40,178.49x = 55,442.59 × 22,271.98
4. Step 4: Simplify right side
   40,178.49x = 1,234,816,255.63
5. Step 5: Solve for x
   x = 1,234,816,255.63/40,178.49
6. Step 6: Final answer
   x = 30,733.27