Finding the Fourth Proportional to 2,605,974.01, 3,909,452.07 and 987,227.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605,974.01 : 3,909,452.07 = 987,227.69 : x
2. Step 2: Convert to fraction form
   2,605,974.01/3,909,452.07 = 987,227.69/x
3. Step 3: Cross multiply
   2,605,974.01x = 3,909,452.07 × 987,227.69
4. Step 4: Simplify right side
   2,605,974.01x = 3,859,519,336,231.82
5. Step 5: Solve for x
   x = 3,859,519,336,231.82/2,605,974.01
6. Step 6: Final answer
   x = 1,481,027.56