Finding the Fourth Proportional to 893,506.35, 1,233,050.61 and 485,616.27

Step by Step Solution

1. Step 1: Write the proportion equation
   893,506.35 : 1,233,050.61 = 485,616.27 : x
2. Step 2: Convert to fraction form
   893,506.35/1,233,050.61 = 485,616.27/x
3. Step 3: Cross multiply
   893,506.35x = 1,233,050.61 × 485,616.27
4. Step 4: Simplify right side
   893,506.35x = 598,789,437,949.43
5. Step 5: Solve for x
   x = 598,789,437,949.43/893,506.35
6. Step 6: Final answer
   x = 670,156.89