Finding the Fourth Proportional to 10,672,108.86, 14,727,507.09 and 5,777,327.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,672,108.86 : 14,727,507.09 = 5,777,327.31 : x
2. Step 2: Convert to fraction form
   10,672,108.86/14,727,507.09 = 5,777,327.31/x
3. Step 3: Cross multiply
   10,672,108.86x = 14,727,507.09 × 5,777,327.31
4. Step 4: Simplify right side
   10,672,108.86x = 85,085,628,919,275.62
5. Step 5: Solve for x
   x = 85,085,628,919,275.62/10,672,108.86
6. Step 6: Final answer
   x = 7,972,709.99