Finding the Fourth Proportional to 16,904.27, 25,360.55 and 5,811.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,904.27 : 25,360.55 = 5,811.12 : x
2. Step 2: Convert to fraction form
   16,904.27/25,360.55 = 5,811.12/x
3. Step 3: Cross multiply
   16,904.27x = 25,360.55 × 5,811.12
4. Step 4: Simplify right side
   16,904.27x = 147,373,199.32
5. Step 5: Solve for x
   x = 147,373,199.32/16,904.27
6. Step 6: Final answer
   x = 8,718.10