Finding the Fourth Proportional to 16,883.72, 23,294.42 and 9,808.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,883.72 : 23,294.42 = 9,808.76 : x
2. Step 2: Convert to fraction form
   16,883.72/23,294.42 = 9,808.76/x
3. Step 3: Cross multiply
   16,883.72x = 23,294.42 × 9,808.76
4. Step 4: Simplify right side
   16,883.72x = 228,489,375.12
5. Step 5: Solve for x
   x = 228,489,375.12/16,883.72
6. Step 6: Final answer
   x = 13,533.12