Finding the Fourth Proportional to 433,019.53, 649,530.15 and 166,905.37

Step by Step Solution

1. Step 1: Write the proportion equation
   433,019.53 : 649,530.15 = 166,905.37 : x
2. Step 2: Convert to fraction form
   433,019.53/649,530.15 = 166,905.37/x
3. Step 3: Cross multiply
   433,019.53x = 649,530.15 × 166,905.37
4. Step 4: Simplify right side
   433,019.53x = 108,410,070,011.91
5. Step 5: Solve for x
   x = 108,410,070,011.91/433,019.53
6. Step 6: Final answer
   x = 250,358.38