Finding the Fourth Proportional to 2,238,109.38, 3,357,496.37 and 798,680.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238,109.38 : 3,357,496.37 = 798,680.66 : x
2. Step 2: Convert to fraction form
   2,238,109.38/3,357,496.37 = 798,680.66/x
3. Step 3: Cross multiply
   2,238,109.38x = 3,357,496.37 × 798,680.66
4. Step 4: Simplify right side
   2,238,109.38x = 2,681,567,401,948.42
5. Step 5: Solve for x
   x = 2,681,567,401,948.42/2,238,109.38
6. Step 6: Final answer
   x = 1,198,139.57