Finding the Fourth Proportional to 2,942,091.73, 4,413,391.53 and 812,176.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,942,091.73 : 4,413,391.53 = 812,176.21 : x
2. Step 2: Convert to fraction form
   2,942,091.73/4,413,391.53 = 812,176.21/x
3. Step 3: Cross multiply
   2,942,091.73x = 4,413,391.53 × 812,176.21
4. Step 4: Simplify right side
   2,942,091.73x = 3,584,451,606,081.50
5. Step 5: Solve for x
   x = 3,584,451,606,081.50/2,942,091.73
6. Step 6: Final answer
   x = 1,218,334.41