Finding the Fourth Proportional to 2,617,764.38, 3,926,532.35 and 820,606.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,617,764.38 : 3,926,532.35 = 820,606.85 : x
2. Step 2: Convert to fraction form
   2,617,764.38/3,926,532.35 = 820,606.85/x
3. Step 3: Cross multiply
   2,617,764.38x = 3,926,532.35 × 820,606.85
4. Step 4: Simplify right side
   2,617,764.38x = 3,222,139,323,523.94
5. Step 5: Solve for x
   x = 3,222,139,323,523.94/2,617,764.38
6. Step 6: Final answer
   x = 1,230,874.46