Finding the Fourth Proportional to 309,318.86, 426,839.82 and 181,969.86

Step by Step Solution

1. Step 1: Write the proportion equation
   309,318.86 : 426,839.82 = 181,969.86 : x
2. Step 2: Convert to fraction form
   309,318.86/426,839.82 = 181,969.86/x
3. Step 3: Cross multiply
   309,318.86x = 426,839.82 × 181,969.86
4. Step 4: Simplify right side
   309,318.86x = 77,671,982,287.83
5. Step 5: Solve for x
   x = 77,671,982,287.83/309,318.86
6. Step 6: Final answer
   x = 251,106.52