Finding the Fourth Proportional to 16,827.39, 25,243.83 and 5,137.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,827.39 : 25,243.83 = 5,137.88 : x
2. Step 2: Convert to fraction form
   16,827.39/25,243.83 = 5,137.88/x
3. Step 3: Cross multiply
   16,827.39x = 25,243.83 × 5,137.88
4. Step 4: Simplify right side
   16,827.39x = 129,699,643.06
5. Step 5: Solve for x
   x = 129,699,643.06/16,827.39
6. Step 6: Final answer
   x = 7,707.65