Finding the Fourth Proportional to 10,672,900, 14,728,499.76 and 5,777,996.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,672,900 : 14,728,499.76 = 5,777,996.72 : x
2. Step 2: Convert to fraction form
   10,672,900/14,728,499.76 = 5,777,996.72/x
3. Step 3: Cross multiply
   10,672,900x = 14,728,499.76 × 5,777,996.72
4. Step 4: Simplify right side
   10,672,900x = 85,101,223,303,800.78
5. Step 5: Solve for x
   x = 85,101,223,303,800.78/10,672,900
6. Step 6: Final answer
   x = 7,973,580.12