Finding the Fourth Proportional to 12,086.17, 18,107.78 and 5,050.68

Step by Step Solution

1. Step 1: Write the proportion equation
   12,086.17 : 18,107.78 = 5,050.68 : x
2. Step 2: Convert to fraction form
   12,086.17/18,107.78 = 5,050.68/x
3. Step 3: Cross multiply
   12,086.17x = 18,107.78 × 5,050.68
4. Step 4: Simplify right side
   12,086.17x = 91,456,602.29
5. Step 5: Solve for x
   x = 91,456,602.29/12,086.17
6. Step 6: Final answer
   x = 7,567.05