Finding the Fourth Proportional to 12,086.52, 18,151.38 and 7,935

Step by Step Solution

1. Step 1: Write the proportion equation
   12,086.52 : 18,151.38 = 7,935 : x
2. Step 2: Convert to fraction form
   12,086.52/18,151.38 = 7,935/x
3. Step 3: Cross multiply
   12,086.52x = 18,151.38 × 7,935
4. Step 4: Simplify right side
   12,086.52x = 144,031,200.30
5. Step 5: Solve for x
   x = 144,031,200.30/12,086.52
6. Step 6: Final answer
   x = 11,916.68