Finding the Fourth Proportional to 2,196,876, 3,031,734.96 and 1,243,020

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196,876 : 3,031,734.96 = 1,243,020 : x
2. Step 2: Convert to fraction form
   2,196,876/3,031,734.96 = 1,243,020/x
3. Step 3: Cross multiply
   2,196,876x = 3,031,734.96 × 1,243,020
4. Step 4: Simplify right side
   2,196,876x = 3,768,507,189,979.20
5. Step 5: Solve for x
   x = 3,768,507,189,979.20/2,196,876
6. Step 6: Final answer
   x = 1,715,393.67