Finding the Fourth Proportional to 16,085.52, 24,139.68 and 7,321.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,085.52 : 24,139.68 = 7,321.56 : x
2. Step 2: Convert to fraction form
   16,085.52/24,139.68 = 7,321.56/x
3. Step 3: Cross multiply
   16,085.52x = 24,139.68 × 7,321.56
4. Step 4: Simplify right side
   16,085.52x = 176,740,115.50
5. Step 5: Solve for x
   x = 176,740,115.50/16,085.52
6. Step 6: Final answer
   x = 10,987.53