Finding the Fourth Proportional to 314,018.73, 433,336.56 and 178,065.09

Step by Step Solution

1. Step 1: Write the proportion equation
   314,018.73 : 433,336.56 = 178,065.09 : x
2. Step 2: Convert to fraction form
   314,018.73/433,336.56 = 178,065.09/x
3. Step 3: Cross multiply
   314,018.73x = 433,336.56 × 178,065.09
4. Step 4: Simplify right side
   314,018.73x = 77,162,113,556.69
5. Step 5: Solve for x
   x = 77,162,113,556.69/314,018.73
6. Step 6: Final answer
   x = 245,724.56