Finding the Fourth Proportional to 9,079.76, 13,553.38 and 7,789.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,079.76 : 13,553.38 = 7,789.52 : x
2. Step 2: Convert to fraction form
   9,079.76/13,553.38 = 7,789.52/x
3. Step 3: Cross multiply
   9,079.76x = 13,553.38 × 7,789.52
4. Step 4: Simplify right side
   9,079.76x = 105,574,324.58
5. Step 5: Solve for x
   x = 105,574,324.58/9,079.76
6. Step 6: Final answer
   x = 11,627.44