Finding the Fourth Proportional to 12,835.31, 17,711.58 and 7,169.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,835.31 : 17,711.58 = 7,169.27 : x
2. Step 2: Convert to fraction form
   12,835.31/17,711.58 = 7,169.27/x
3. Step 3: Cross multiply
   12,835.31x = 17,711.58 × 7,169.27
4. Step 4: Simplify right side
   12,835.31x = 126,979,063.30
5. Step 5: Solve for x
   x = 126,979,063.30/12,835.31
6. Step 6: Final answer
   x = 9,892.95