Finding the Fourth Proportional to 1,222,624.27, 1,831,550.69 and 800,620.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,222,624.27 : 1,831,550.69 = 800,620.75 : x
2. Step 2: Convert to fraction form
   1,222,624.27/1,831,550.69 = 800,620.75/x
3. Step 3: Cross multiply
   1,222,624.27x = 1,831,550.69 × 800,620.75
4. Step 4: Simplify right side
   1,222,624.27x = 1,466,377,483,087.71
5. Step 5: Solve for x
   x = 1,466,377,483,087.71/1,222,624.27
6. Step 6: Final answer
   x = 1,199,368.87