Finding the Fourth Proportional to 10,113.52, 15,171 and 5,959.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,113.52 : 15,171 = 5,959.60 : x
2. Step 2: Convert to fraction form
   10,113.52/15,171 = 5,959.60/x
3. Step 3: Cross multiply
   10,113.52x = 15,171 × 5,959.60
4. Step 4: Simplify right side
   10,113.52x = 90,413,091.60
5. Step 5: Solve for x
   x = 90,413,091.60/10,113.52
6. Step 6: Final answer
   x = 8,939.82