Finding the Fourth Proportional to 2,661,999.91, 3,993,673.13 and 742,910.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,661,999.91 : 3,993,673.13 = 742,910.78 : x
2. Step 2: Convert to fraction form
   2,661,999.91/3,993,673.13 = 742,910.78/x
3. Step 3: Cross multiply
   2,661,999.91x = 3,993,673.13 × 742,910.78
4. Step 4: Simplify right side
   2,661,999.91x = 2,966,942,820,073.34
5. Step 5: Solve for x
   x = 2,966,942,820,073.34/2,661,999.91
6. Step 6: Final answer
   x = 1,114,554.06