Finding the Fourth Proportional to 17,665.92, 26,498.52 and 7,270.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,665.92 : 26,498.52 = 7,270.56 : x
2. Step 2: Convert to fraction form
   17,665.92/26,498.52 = 7,270.56/x
3. Step 3: Cross multiply
   17,665.92x = 26,498.52 × 7,270.56
4. Step 4: Simplify right side
   17,665.92x = 192,659,079.57
5. Step 5: Solve for x
   x = 192,659,079.57/17,665.92
6. Step 6: Final answer
   x = 10,905.69