Finding the Fourth Proportional to 2,061,315.78, 3,091,990.11 and 846,579.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061,315.78 : 3,091,990.11 = 846,579.42 : x
2. Step 2: Convert to fraction form
   2,061,315.78/3,091,990.11 = 846,579.42/x
3. Step 3: Cross multiply
   2,061,315.78x = 3,091,990.11 × 846,579.42
4. Step 4: Simplify right side
   2,061,315.78x = 2,617,615,193,969.54
5. Step 5: Solve for x
   x = 2,617,615,193,969.54/2,061,315.78
6. Step 6: Final answer
   x = 1,269,875.88