Finding the Fourth Proportional to 16,862.58, 25,287.66 and 5,615.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,862.58 : 25,287.66 = 5,615.82 : x
2. Step 2: Convert to fraction form
   16,862.58/25,287.66 = 5,615.82/x
3. Step 3: Cross multiply
   16,862.58x = 25,287.66 × 5,615.82
4. Step 4: Simplify right side
   16,862.58x = 142,010,946.78
5. Step 5: Solve for x
   x = 142,010,946.78/16,862.58
6. Step 6: Final answer
   x = 8,421.66