Finding the Fourth Proportional to 2,629,086.31, 3,943,234.78 and 831,736.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,629,086.31 : 3,943,234.78 = 831,736.24 : x
2. Step 2: Convert to fraction form
   2,629,086.31/3,943,234.78 = 831,736.24/x
3. Step 3: Cross multiply
   2,629,086.31x = 3,943,234.78 × 831,736.24
4. Step 4: Simplify right side
   2,629,086.31x = 3,279,731,277,133.17
5. Step 5: Solve for x
   x = 3,279,731,277,133.17/2,629,086.31
6. Step 6: Final answer
   x = 1,247,479.50