Finding the Fourth Proportional to 2,126,129.92, 3,188,650.56 and 629,872

Step by Step Solution

1. Step 1: Write the proportion equation
   2,126,129.92 : 3,188,650.56 = 629,872 : x
2. Step 2: Convert to fraction form
   2,126,129.92/3,188,650.56 = 629,872/x
3. Step 3: Cross multiply
   2,126,129.92x = 3,188,650.56 × 629,872
4. Step 4: Simplify right side
   2,126,129.92x = 2,008,441,705,528.32
5. Step 5: Solve for x
   x = 2,008,441,705,528.32/2,126,129.92
6. Step 6: Final answer
   x = 944,646.74