Finding the Fourth Proportional to 12,240.52, 16,894.36 and 7,769.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,240.52 : 16,894.36 = 7,769.60 : x
2. Step 2: Convert to fraction form
   12,240.52/16,894.36 = 7,769.60/x
3. Step 3: Cross multiply
   12,240.52x = 16,894.36 × 7,769.60
4. Step 4: Simplify right side
   12,240.52x = 131,262,419.46
5. Step 5: Solve for x
   x = 131,262,419.46/12,240.52
6. Step 6: Final answer
   x = 10,723.60