Finding the Fourth Proportional to 2,661,868.91, 3,993,475.32 and 742,778.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,661,868.91 : 3,993,475.32 = 742,778.51 : x
2. Step 2: Convert to fraction form
   2,661,868.91/3,993,475.32 = 742,778.51/x
3. Step 3: Cross multiply
   2,661,868.91x = 3,993,475.32 × 742,778.51
4. Step 4: Simplify right side
   2,661,868.91x = 2,966,267,647,911.37
5. Step 5: Solve for x
   x = 2,966,267,647,911.37/2,661,868.91
6. Step 6: Final answer
   x = 1,114,355.27