Finding the Fourth Proportional to 16,856.76, 25,268.17 and 5,755.91

Step by Step Solution

1. Step 1: Write the proportion equation
   16,856.76 : 25,268.17 = 5,755.91 : x
2. Step 2: Convert to fraction form
   16,856.76/25,268.17 = 5,755.91/x
3. Step 3: Cross multiply
   16,856.76x = 25,268.17 × 5,755.91
4. Step 4: Simplify right side
   16,856.76x = 145,441,300.30
5. Step 5: Solve for x
   x = 145,441,300.30/16,856.76
6. Step 6: Final answer
   x = 8,628.07