Finding the Fourth Proportional to 3,938,345.69, 5,434,896.69 and 2,284,827.21

Step by Step Solution

1. Step 1: Write the proportion equation
   3,938,345.69 : 5,434,896.69 = 2,284,827.21 : x
2. Step 2: Convert to fraction form
   3,938,345.69/5,434,896.69 = 2,284,827.21/x
3. Step 3: Cross multiply
   3,938,345.69x = 5,434,896.69 × 2,284,827.21
4. Step 4: Simplify right side
   3,938,345.69x = 12,417,799,840,850.94
5. Step 5: Solve for x
   x = 12,417,799,840,850.94/3,938,345.69
6. Step 6: Final answer
   x = 3,153,049.74