Finding the Fourth Proportional to 2,221,131.38, 3,331,697.52 and 801,187.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,221,131.38 : 3,331,697.52 = 801,187.30 : x
2. Step 2: Convert to fraction form
   2,221,131.38/3,331,697.52 = 801,187.30/x
3. Step 3: Cross multiply
   2,221,131.38x = 3,331,697.52 × 801,187.30
4. Step 4: Simplify right side
   2,221,131.38x = 2,669,313,743,127.89
5. Step 5: Solve for x
   x = 2,669,313,743,127.89/2,221,131.38
6. Step 6: Final answer
   x = 1,201,781.12