Finding the Fourth Proportional to 16,784.82, 23,160.48 and 9,709.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,784.82 : 23,160.48 = 9,709.88 : x
2. Step 2: Convert to fraction form
   16,784.82/23,160.48 = 9,709.88/x
3. Step 3: Cross multiply
   16,784.82x = 23,160.48 × 9,709.88
4. Step 4: Simplify right side
   16,784.82x = 224,885,383.95
5. Step 5: Solve for x
   x = 224,885,383.95/16,784.82
6. Step 6: Final answer
   x = 13,398.14