Finding the Fourth Proportional to 12,107.34, 18,168 and 5,086.74

Step by Step Solution

1. Step 1: Write the proportion equation
   12,107.34 : 18,168 = 5,086.74 : x
2. Step 2: Convert to fraction form
   12,107.34/18,168 = 5,086.74/x
3. Step 3: Cross multiply
   12,107.34x = 18,168 × 5,086.74
4. Step 4: Simplify right side
   12,107.34x = 92,415,892.32
5. Step 5: Solve for x
   x = 92,415,892.32/12,107.34
6. Step 6: Final answer
   x = 7,633.05