Finding the Fourth Proportional to 16,801.88, 25,206.58 and 5,116.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,801.88 : 25,206.58 = 5,116.02 : x
2. Step 2: Convert to fraction form
   16,801.88/25,206.58 = 5,116.02/x
3. Step 3: Cross multiply
   16,801.88x = 25,206.58 × 5,116.02
4. Step 4: Simplify right side
   16,801.88x = 128,957,367.41
5. Step 5: Solve for x
   x = 128,957,367.41/16,801.88
6. Step 6: Final answer
   x = 7,675.17