Finding the Fourth Proportional to 10,420.72, 15,606.04 and 5,733.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,420.72 : 15,606.04 = 5,733.68 : x
2. Step 2: Convert to fraction form
   10,420.72/15,606.04 = 5,733.68/x
3. Step 3: Cross multiply
   10,420.72x = 15,606.04 × 5,733.68
4. Step 4: Simplify right side
   10,420.72x = 89,480,039.43
5. Step 5: Solve for x
   x = 89,480,039.43/10,420.72
6. Step 6: Final answer
   x = 8,586.74