Finding the Fourth Proportional to 885,896.42, 1,222,520.01 and 483,491.30

Step by Step Solution

1. Step 1: Write the proportion equation
   885,896.42 : 1,222,520.01 = 483,491.30 : x
2. Step 2: Convert to fraction form
   885,896.42/1,222,520.01 = 483,491.30/x
3. Step 3: Cross multiply
   885,896.42x = 1,222,520.01 × 483,491.30
4. Step 4: Simplify right side
   885,896.42x = 591,077,788,910.91
5. Step 5: Solve for x
   x = 591,077,788,910.91/885,896.42
6. Step 6: Final answer
   x = 667,208.69