Finding the Fourth Proportional to 10,419.72, 15,617.58 and 5,793.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,419.72 : 15,617.58 = 5,793.48 : x
2. Step 2: Convert to fraction form
   10,419.72/15,617.58 = 5,793.48/x
3. Step 3: Cross multiply
   10,419.72x = 15,617.58 × 5,793.48
4. Step 4: Simplify right side
   10,419.72x = 90,480,137.38
5. Step 5: Solve for x
   x = 90,480,137.38/10,419.72
6. Step 6: Final answer
   x = 8,683.55