Finding the Fourth Proportional to 2,196,866, 3,031,721.16 and 1,243,010

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196,866 : 3,031,721.16 = 1,243,010 : x
2. Step 2: Convert to fraction form
   2,196,866/3,031,721.16 = 1,243,010/x
3. Step 3: Cross multiply
   2,196,866x = 3,031,721.16 × 1,243,010
4. Step 4: Simplify right side
   2,196,866x = 3,768,459,719,091.60
5. Step 5: Solve for x
   x = 3,768,459,719,091.60/2,196,866
6. Step 6: Final answer
   x = 1,715,379.87