Finding the Fourth Proportional to 8,265,098.55, 12,394,403.78 and 3,144,809.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,265,098.55 : 12,394,403.78 = 3,144,809.10 : x
2. Step 2: Convert to fraction form
   8,265,098.55/12,394,403.78 = 3,144,809.10/x
3. Step 3: Cross multiply
   8,265,098.55x = 12,394,403.78 × 3,144,809.10
4. Step 4: Simplify right side
   8,265,098.55x = 38,978,033,780,694.35
5. Step 5: Solve for x
   x = 38,978,033,780,694.35/8,265,098.55
6. Step 6: Final answer
   x = 4,715,979.31