Finding the Fourth Proportional to 2,309,449.76, 3,439,822.16 and 2,205,829.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309,449.76 : 3,439,822.16 = 2,205,829.72 : x
2. Step 2: Convert to fraction form
   2,309,449.76/3,439,822.16 = 2,205,829.72/x
3. Step 3: Cross multiply
   2,309,449.76x = 3,439,822.16 × 2,205,829.72
4. Step 4: Simplify right side
   2,309,449.76x = 7,587,661,952,042.60
5. Step 5: Solve for x
   x = 7,587,661,952,042.60/2,309,449.76
6. Step 6: Final answer
   x = 3,285,484.74