Finding the Fourth Proportional to 16,316.29, 22,515.72 and 9,242.77

Step by Step Solution

1. Step 1: Write the proportion equation
   16,316.29 : 22,515.72 = 9,242.77 : x
2. Step 2: Convert to fraction form
   16,316.29/22,515.72 = 9,242.77/x
3. Step 3: Cross multiply
   16,316.29x = 22,515.72 × 9,242.77
4. Step 4: Simplify right side
   16,316.29x = 208,107,621.34
5. Step 5: Solve for x
   x = 208,107,621.34/16,316.29
6. Step 6: Final answer
   x = 12,754.59