Finding the Fourth Proportional to 809,414.52, 1,116,962.69 and 446,830.57

Step by Step Solution

1. Step 1: Write the proportion equation
   809,414.52 : 1,116,962.69 = 446,830.57 : x
2. Step 2: Convert to fraction form
   809,414.52/1,116,962.69 = 446,830.57/x
3. Step 3: Cross multiply
   809,414.52x = 1,116,962.69 × 446,830.57
4. Step 4: Simplify right side
   809,414.52x = 499,093,076,558.51
5. Step 5: Solve for x
   x = 499,093,076,558.51/809,414.52
6. Step 6: Final answer
   x = 616,609.99