Finding the Fourth Proportional to 10,483.66, 15,718.29 and 3,906.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,483.66 : 15,718.29 = 3,906.28 : x
2. Step 2: Convert to fraction form
   10,483.66/15,718.29 = 3,906.28/x
3. Step 3: Cross multiply
   10,483.66x = 15,718.29 × 3,906.28
4. Step 4: Simplify right side
   10,483.66x = 61,400,041.86
5. Step 5: Solve for x
   x = 61,400,041.86/10,483.66
6. Step 6: Final answer
   x = 5,856.74