Finding the Fourth Proportional to 10,085.34, 15,114.87 and 5,150.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,085.34 : 15,114.87 = 5,150.82 : x
2. Step 2: Convert to fraction form
   10,085.34/15,114.87 = 5,150.82/x
3. Step 3: Cross multiply
   10,085.34x = 15,114.87 × 5,150.82
4. Step 4: Simplify right side
   10,085.34x = 77,853,974.69
5. Step 5: Solve for x
   x = 77,853,974.69/10,085.34
6. Step 6: Final answer
   x = 7,719.52