Finding the Fourth Proportional to 16,621.29, 22,937.85 and 9,547.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,621.29 : 22,937.85 = 9,547.56 : x
2. Step 2: Convert to fraction form
   16,621.29/22,937.85 = 9,547.56/x
3. Step 3: Cross multiply
   16,621.29x = 22,937.85 × 9,547.56
4. Step 4: Simplify right side
   16,621.29x = 219,000,499.15
5. Step 5: Solve for x
   x = 219,000,499.15/16,621.29
6. Step 6: Final answer
   x = 13,175.90