Finding the Fourth Proportional to 627,284.91, 940,846.37 and 200,785.05

Step by Step Solution

1. Step 1: Write the proportion equation
   627,284.91 : 940,846.37 = 200,785.05 : x
2. Step 2: Convert to fraction form
   627,284.91/940,846.37 = 200,785.05/x
3. Step 3: Cross multiply
   627,284.91x = 940,846.37 × 200,785.05
4. Step 4: Simplify right side
   627,284.91x = 188,907,889,061.45
5. Step 5: Solve for x
   x = 188,907,889,061.45/627,284.91
6. Step 6: Final answer
   x = 301,151.66