Finding the Fourth Proportional to 10,708.83, 16,062.72 and 2,811.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,708.83 : 16,062.72 = 2,811.15 : x
2. Step 2: Convert to fraction form
   10,708.83/16,062.72 = 2,811.15/x
3. Step 3: Cross multiply
   10,708.83x = 16,062.72 × 2,811.15
4. Step 4: Simplify right side
   10,708.83x = 45,154,715.33
5. Step 5: Solve for x
   x = 45,154,715.33/10,708.83
6. Step 6: Final answer
   x = 4,216.59