Finding the Fourth Proportional to 12,269.19, 16,934.76 and 7,557.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,269.19 : 16,934.76 = 7,557.42 : x
2. Step 2: Convert to fraction form
   12,269.19/16,934.76 = 7,557.42/x
3. Step 3: Cross multiply
   12,269.19x = 16,934.76 × 7,557.42
4. Step 4: Simplify right side
   12,269.19x = 127,983,093.92
5. Step 5: Solve for x
   x = 127,983,093.92/12,269.19
6. Step 6: Final answer
   x = 10,431.26