Finding the Fourth Proportional to 432,938.62, 649,468.89 and 133,443.34

Step by Step Solution

1. Step 1: Write the proportion equation
   432,938.62 : 649,468.89 = 133,443.34 : x
2. Step 2: Convert to fraction form
   432,938.62/649,468.89 = 133,443.34/x
3. Step 3: Cross multiply
   432,938.62x = 649,468.89 × 133,443.34
4. Step 4: Simplify right side
   432,938.62x = 86,667,297,907.69
5. Step 5: Solve for x
   x = 86,667,297,907.69/432,938.62
6. Step 6: Final answer
   x = 200,183.80