Finding the Fourth Proportional to 8,384,446.80, 12,579,328.56 and 2,992,981.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,384,446.80 : 12,579,328.56 = 2,992,981.50 : x
2. Step 2: Convert to fraction form
   8,384,446.80/12,579,328.56 = 2,992,981.50/x
3. Step 3: Cross multiply
   8,384,446.80x = 12,579,328.56 × 2,992,981.50
4. Step 4: Simplify right side
   8,384,446.80x = 37,649,697,662,501.64
5. Step 5: Solve for x
   x = 37,649,697,662,501.64/8,384,446.80
6. Step 6: Final answer
   x = 4,490,421.20