Finding the Fourth Proportional to 16,857.59, 25,284.42 and 10,599.13

Step by Step Solution

1. Step 1: Write the proportion equation
   16,857.59 : 25,284.42 = 10,599.13 : x
2. Step 2: Convert to fraction form
   16,857.59/25,284.42 = 10,599.13/x
3. Step 3: Cross multiply
   16,857.59x = 25,284.42 × 10,599.13
4. Step 4: Simplify right side
   16,857.59x = 267,992,854.55
5. Step 5: Solve for x
   x = 267,992,854.55/16,857.59
6. Step 6: Final answer
   x = 15,897.46