Finding the Fourth Proportional to 12,169.05, 16,796.88 and 7,134.36

Step by Step Solution

1. Step 1: Write the proportion equation
   12,169.05 : 16,796.88 = 7,134.36 : x
2. Step 2: Convert to fraction form
   12,169.05/16,796.88 = 7,134.36/x
3. Step 3: Cross multiply
   12,169.05x = 16,796.88 × 7,134.36
4. Step 4: Simplify right side
   12,169.05x = 119,834,988.80
5. Step 5: Solve for x
   x = 119,834,988.80/12,169.05
6. Step 6: Final answer
   x = 9,847.52