Finding the Fourth Proportional to 2,309,447.76, 3,439,819.18 and 2,205,827.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309,447.76 : 3,439,819.18 = 2,205,827.72 : x
2. Step 2: Convert to fraction form
   2,309,447.76/3,439,819.18 = 2,205,827.72/x
3. Step 3: Cross multiply
   2,309,447.76x = 3,439,819.18 × 2,205,827.72
4. Step 4: Simplify right side
   2,309,447.76x = 7,587,648,499,031.67
5. Step 5: Solve for x
   x = 7,587,648,499,031.67/2,309,447.76
6. Step 6: Final answer
   x = 3,285,481.76