Finding the Fourth Proportional to 12,835.59, 17,711.83 and 7,169.44

Step by Step Solution

1. Step 1: Write the proportion equation
   12,835.59 : 17,711.83 = 7,169.44 : x
2. Step 2: Convert to fraction form
   12,835.59/17,711.83 = 7,169.44/x
3. Step 3: Cross multiply
   12,835.59x = 17,711.83 × 7,169.44
4. Step 4: Simplify right side
   12,835.59x = 126,983,902.48
5. Step 5: Solve for x
   x = 126,983,902.48/12,835.59
6. Step 6: Final answer
   x = 9,893.11