Finding the Fourth Proportional to 12,085.92, 18,117.72 and 4,695.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,085.92 : 18,117.72 = 4,695.24 : x
2. Step 2: Convert to fraction form
   12,085.92/18,117.72 = 4,695.24/x
3. Step 3: Cross multiply
   12,085.92x = 18,117.72 × 4,695.24
4. Step 4: Simplify right side
   12,085.92x = 85,067,043.65
5. Step 5: Solve for x
   x = 85,067,043.65/12,085.92
6. Step 6: Final answer
   x = 7,038.52