Finding the Fourth Proportional to 1,445,942.70, 1,995,401.16 and 801,404.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445,942.70 : 1,995,401.16 = 801,404.55 : x
2. Step 2: Convert to fraction form
   1,445,942.70/1,995,401.16 = 801,404.55/x
3. Step 3: Cross multiply
   1,445,942.70x = 1,995,401.16 × 801,404.55
4. Step 4: Simplify right side
   1,445,942.70x = 1,599,123,568,699.28
5. Step 5: Solve for x
   x = 1,599,123,568,699.28/1,445,942.70
6. Step 6: Final answer
   x = 1,105,938.41