Finding the Fourth Proportional to 308,665, 426,012.24 and 181,340.56

Step by Step Solution

1. Step 1: Write the proportion equation
   308,665 : 426,012.24 = 181,340.56 : x
2. Step 2: Convert to fraction form
   308,665/426,012.24 = 181,340.56/x
3. Step 3: Cross multiply
   308,665x = 426,012.24 × 181,340.56
4. Step 4: Simplify right side
   308,665x = 77,253,298,168.45
5. Step 5: Solve for x
   x = 77,253,298,168.45/308,665
6. Step 6: Final answer
   x = 250,282.02