Finding the Fourth Proportional to 39,196.16, 54,090.56 and 22,429.12

Step by Step Solution

1. Step 1: Write the proportion equation
   39,196.16 : 54,090.56 = 22,429.12 : x
2. Step 2: Convert to fraction form
   39,196.16/54,090.56 = 22,429.12/x
3. Step 3: Cross multiply
   39,196.16x = 54,090.56 × 22,429.12
4. Step 4: Simplify right side
   39,196.16x = 1,213,203,661.11
5. Step 5: Solve for x
   x = 1,213,203,661.11/39,196.16
6. Step 6: Final answer
   x = 30,952.11