Finding the Fourth Proportional to 10,873.48, 16,308.06 and 3,945.64

Step by Step Solution

1. Step 1: Write the proportion equation
   10,873.48 : 16,308.06 = 3,945.64 : x
2. Step 2: Convert to fraction form
   10,873.48/16,308.06 = 3,945.64/x
3. Step 3: Cross multiply
   10,873.48x = 16,308.06 × 3,945.64
4. Step 4: Simplify right side
   10,873.48x = 64,345,733.86
5. Step 5: Solve for x
   x = 64,345,733.86/10,873.48
6. Step 6: Final answer
   x = 5,917.68