Finding the Fourth Proportional to 12,219,161.05, 16,861,896.78 and 7,327,082.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,219,161.05 : 16,861,896.78 = 7,327,082.62 : x
2. Step 2: Convert to fraction form
   12,219,161.05/16,861,896.78 = 7,327,082.62/x
3. Step 3: Cross multiply
   12,219,161.05x = 16,861,896.78 × 7,327,082.62
4. Step 4: Simplify right side
   12,219,161.05x = 123,548,510,752,662.50
5. Step 5: Solve for x
   x = 123,548,510,752,662.50/12,219,161.05
6. Step 6: Final answer
   x = 10,111,046.93