Finding the Fourth Proportional to 16,085.12, 24,127.61 and 7,320.65

Step by Step Solution

1. Step 1: Write the proportion equation
   16,085.12 : 24,127.61 = 7,320.65 : x
2. Step 2: Convert to fraction form
   16,085.12/24,127.61 = 7,320.65/x
3. Step 3: Cross multiply
   16,085.12x = 24,127.61 × 7,320.65
4. Step 4: Simplify right side
   16,085.12x = 176,629,630.91
5. Step 5: Solve for x
   x = 176,629,630.91/16,085.12
6. Step 6: Final answer
   x = 10,980.94