Finding the Fourth Proportional to 12,269.48, 18,358.86 and 7,342.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,269.48 : 18,358.86 = 7,342.52 : x
2. Step 2: Convert to fraction form
   12,269.48/18,358.86 = 7,342.52/x
3. Step 3: Cross multiply
   12,269.48x = 18,358.86 × 7,342.52
4. Step 4: Simplify right side
   12,269.48x = 134,800,296.73
5. Step 5: Solve for x
   x = 134,800,296.73/12,269.48
6. Step 6: Final answer
   x = 10,986.63