Finding the Fourth Proportional to 432,667.88, 649,063.31 and 133,173.42

Step by Step Solution

1. Step 1: Write the proportion equation
   432,667.88 : 649,063.31 = 133,173.42 : x
2. Step 2: Convert to fraction form
   432,667.88/649,063.31 = 133,173.42/x
3. Step 3: Cross multiply
   432,667.88x = 649,063.31 × 133,173.42
4. Step 4: Simplify right side
   432,667.88x = 86,437,980,123.35
5. Step 5: Solve for x
   x = 86,437,980,123.35/432,667.88
6. Step 6: Final answer
   x = 199,779.06