Finding the Fourth Proportional to 133,196.10, 199,822.10 and 38,426.10

Step by Step Solution

1. Step 1: Write the proportion equation
   133,196.10 : 199,822.10 = 38,426.10 : x
2. Step 2: Convert to fraction form
   133,196.10/199,822.10 = 38,426.10/x
3. Step 3: Cross multiply
   133,196.10x = 199,822.10 × 38,426.10
4. Step 4: Simplify right side
   133,196.10x = 7,678,383,804.68
5. Step 5: Solve for x
   x = 7,678,383,804.68/133,196.10
6. Step 6: Final answer
   x = 57,647.21