Finding the Fourth Proportional to 3,789,128.44, 5,229,072.48 and 2,070,355.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,789,128.44 : 5,229,072.48 = 2,070,355.60 : x
2. Step 2: Convert to fraction form
   3,789,128.44/5,229,072.48 = 2,070,355.60/x
3. Step 3: Cross multiply
   3,789,128.44x = 5,229,072.48 × 2,070,355.60
4. Step 4: Simplify right side
   3,789,128.44x = 10,826,039,491,773.89
5. Step 5: Solve for x
   x = 10,826,039,491,773.89/3,789,128.44
6. Step 6: Final answer
   x = 2,857,131.83