Finding the Fourth Proportional to 2,603,911.78, 3,905,673.27 and 806,809.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,603,911.78 : 3,905,673.27 = 806,809.06 : x
2. Step 2: Convert to fraction form
   2,603,911.78/3,905,673.27 = 806,809.06/x
3. Step 3: Cross multiply
   2,603,911.78x = 3,905,673.27 × 806,809.06
4. Step 4: Simplify right side
   2,603,911.78x = 3,151,132,579,635.83
5. Step 5: Solve for x
   x = 3,151,132,579,635.83/2,603,911.78
6. Step 6: Final answer
   x = 1,210,153.36