Finding the Fourth Proportional to 11,952.56, 17,920.20 and 6,104.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,952.56 : 17,920.20 = 6,104.72 : x
2. Step 2: Convert to fraction form
   11,952.56/17,920.20 = 6,104.72/x
3. Step 3: Cross multiply
   11,952.56x = 17,920.20 × 6,104.72
4. Step 4: Simplify right side
   11,952.56x = 109,397,803.34
5. Step 5: Solve for x
   x = 109,397,803.34/11,952.56
6. Step 6: Final answer
   x = 9,152.67