Finding the Fourth Proportional to 10,839.89, 14,956.43 and 6,124.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,839.89 : 14,956.43 = 6,124.16 : x
2. Step 2: Convert to fraction form
   10,839.89/14,956.43 = 6,124.16/x
3. Step 3: Cross multiply
   10,839.89x = 14,956.43 × 6,124.16
4. Step 4: Simplify right side
   10,839.89x = 91,595,464.95
5. Step 5: Solve for x
   x = 91,595,464.95/10,839.89
6. Step 6: Final answer
   x = 8,449.86