Finding the Fourth Proportional to 10,789,905, 16,174,338 and 4,311,048.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,789,905 : 16,174,338 = 4,311,048.72 : x
2. Step 2: Convert to fraction form
   10,789,905/16,174,338 = 4,311,048.72/x
3. Step 3: Cross multiply
   10,789,905x = 16,174,338 × 4,311,048.72
4. Step 4: Simplify right side
   10,789,905x = 69,728,359,131,747.36
5. Step 5: Solve for x
   x = 69,728,359,131,747.36/10,789,905
6. Step 6: Final answer
   x = 6,462,370.07