Finding the Fourth Proportional to 16,841.58, 25,284.24 and 12,948.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,841.58 : 25,284.24 = 12,948.72 : x
2. Step 2: Convert to fraction form
   16,841.58/25,284.24 = 12,948.72/x
3. Step 3: Cross multiply
   16,841.58x = 25,284.24 × 12,948.72
4. Step 4: Simplify right side
   16,841.58x = 327,398,544.17
5. Step 5: Solve for x
   x = 327,398,544.17/16,841.58
6. Step 6: Final answer
   x = 19,439.89