Finding the Fourth Proportional to 2,723,906.88, 4,085,849.34 and 830,642.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,723,906.88 : 4,085,849.34 = 830,642.82 : x
2. Step 2: Convert to fraction form
   2,723,906.88/4,085,849.34 = 830,642.82/x
3. Step 3: Cross multiply
   2,723,906.88x = 4,085,849.34 × 830,642.82
4. Step 4: Simplify right side
   2,723,906.88x = 3,393,881,417,872.74
5. Step 5: Solve for x
   x = 3,393,881,417,872.74/2,723,906.88
6. Step 6: Final answer
   x = 1,245,960.88