Finding the Fourth Proportional to 12,093,561.28, 16,689,113.94 and 6,661,053.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,093,561.28 : 16,689,113.94 = 6,661,053.28 : x
2. Step 2: Convert to fraction form
   12,093,561.28/16,689,113.94 = 6,661,053.28/x
3. Step 3: Cross multiply
   12,093,561.28x = 16,689,113.94 × 6,661,053.28
4. Step 4: Simplify right side
   12,093,561.28x = 111,167,077,150,330.72
5. Step 5: Solve for x
   x = 111,167,077,150,330.72/12,093,561.28
6. Step 6: Final answer
   x = 9,192,253.18