Finding the Fourth Proportional to 16,158.88, 22,300.28 and 9,085.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,158.88 : 22,300.28 = 9,085.76 : x
2. Step 2: Convert to fraction form
   16,158.88/22,300.28 = 9,085.76/x
3. Step 3: Cross multiply
   16,158.88x = 22,300.28 × 9,085.76
4. Step 4: Simplify right side
   16,158.88x = 202,614,992.01
5. Step 5: Solve for x
   x = 202,614,992.01/16,158.88
6. Step 6: Final answer
   x = 12,538.93