Finding the Fourth Proportional to 40,196.64, 55,471.32 and 22,291.68

Step by Step Solution

1. Step 1: Write the proportion equation
   40,196.64 : 55,471.32 = 22,291.68 : x
2. Step 2: Convert to fraction form
   40,196.64/55,471.32 = 22,291.68/x
3. Step 3: Cross multiply
   40,196.64x = 55,471.32 × 22,291.68
4. Step 4: Simplify right side
   40,196.64x = 1,236,548,914.62
5. Step 5: Solve for x
   x = 1,236,548,914.62/40,196.64
6. Step 6: Final answer
   x = 30,762.49