Finding the Fourth Proportional to 10,839.23, 14,959.37 and 6,123.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,839.23 : 14,959.37 = 6,123.82 : x
2. Step 2: Convert to fraction form
   10,839.23/14,959.37 = 6,123.82/x
3. Step 3: Cross multiply
   10,839.23x = 14,959.37 × 6,123.82
4. Step 4: Simplify right side
   10,839.23x = 91,608,460.71
5. Step 5: Solve for x
   x = 91,608,460.71/10,839.23
6. Step 6: Final answer
   x = 8,451.56