Finding the Fourth Proportional to 3,963,446.78, 5,469,584.56 and 2,152,610.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,963,446.78 : 5,469,584.56 = 2,152,610.78 : x
2. Step 2: Convert to fraction form
   3,963,446.78/5,469,584.56 = 2,152,610.78/x
3. Step 3: Cross multiply
   3,963,446.78x = 5,469,584.56 × 2,152,610.78
4. Step 4: Simplify right side
   3,963,446.78x = 11,773,886,685,977.55
5. Step 5: Solve for x
   x = 11,773,886,685,977.55/3,963,446.78
6. Step 6: Final answer
   x = 2,970,618.09