Finding the Fourth Proportional to 11,660.34, 17,499.37 and 8,548.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,660.34 : 17,499.37 = 8,548.27 : x
2. Step 2: Convert to fraction form
   11,660.34/17,499.37 = 8,548.27/x
3. Step 3: Cross multiply
   11,660.34x = 17,499.37 × 8,548.27
4. Step 4: Simplify right side
   11,660.34x = 149,589,339.59
5. Step 5: Solve for x
   x = 149,589,339.59/11,660.34
6. Step 6: Final answer
   x = 12,828.90