Finding the Fourth Proportional to 331,066.26, 456,839.83 and 185,838.78

Step by Step Solution

1. Step 1: Write the proportion equation
   331,066.26 : 456,839.83 = 185,838.78 : x
2. Step 2: Convert to fraction form
   331,066.26/456,839.83 = 185,838.78/x
3. Step 3: Cross multiply
   331,066.26x = 456,839.83 × 185,838.78
4. Step 4: Simplify right side
   331,066.26x = 84,898,556,662.61
5. Step 5: Solve for x
   x = 84,898,556,662.61/331,066.26
6. Step 6: Final answer
   x = 256,439.77