Finding the Fourth Proportional to 40,196.77, 55,467.88 and 22,291.72

Step by Step Solution

1. Step 1: Write the proportion equation
   40,196.77 : 55,467.88 = 22,291.72 : x
2. Step 2: Convert to fraction form
   40,196.77/55,467.88 = 22,291.72/x
3. Step 3: Cross multiply
   40,196.77x = 55,467.88 × 22,291.72
4. Step 4: Simplify right side
   40,196.77x = 1,236,474,255.55
5. Step 5: Solve for x
   x = 1,236,474,255.55/40,196.77
6. Step 6: Final answer
   x = 30,760.54