Finding the Fourth Proportional to 16,895.76, 25,343.76 and 5,208.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,895.76 : 25,343.76 = 5,208.72 : x
2. Step 2: Convert to fraction form
   16,895.76/25,343.76 = 5,208.72/x
3. Step 3: Cross multiply
   16,895.76x = 25,343.76 × 5,208.72
4. Step 4: Simplify right side
   16,895.76x = 132,008,549.59
5. Step 5: Solve for x
   x = 132,008,549.59/16,895.76
6. Step 6: Final answer
   x = 7,813.12