Finding the Fourth Proportional to 10,083.59, 15,112.24 and 5,149.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,083.59 : 15,112.24 = 5,149.07 : x
2. Step 2: Convert to fraction form
   10,083.59/15,112.24 = 5,149.07/x
3. Step 3: Cross multiply
   10,083.59x = 15,112.24 × 5,149.07
4. Step 4: Simplify right side
   10,083.59x = 77,813,981.62
5. Step 5: Solve for x
   x = 77,813,981.62/10,083.59
6. Step 6: Final answer
   x = 7,716.89