Finding the Fourth Proportional to 10,839.12, 16,262.76 and 4,994.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,839.12 : 16,262.76 = 4,994.37 : x
2. Step 2: Convert to fraction form
   10,839.12/16,262.76 = 4,994.37/x
3. Step 3: Cross multiply
   10,839.12x = 16,262.76 × 4,994.37
4. Step 4: Simplify right side
   10,839.12x = 81,222,240.66
5. Step 5: Solve for x
   x = 81,222,240.66/10,839.12
6. Step 6: Final answer
   x = 7,493.43