Finding the Fourth Proportional to 8,789,478.38, 12,128,329.90 and 5,068,446.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,789,478.38 : 12,128,329.90 = 5,068,446.83 : x
2. Step 2: Convert to fraction form
   8,789,478.38/12,128,329.90 = 5,068,446.83/x
3. Step 3: Cross multiply
   8,789,478.38x = 12,128,329.90 × 5,068,446.83
4. Step 4: Simplify right side
   8,789,478.38x = 61,471,795,161,536.46
5. Step 5: Solve for x
   x = 61,471,795,161,536.46/8,789,478.38
6. Step 6: Final answer
   x = 6,993,793.32