Finding the Fourth Proportional to 16,823.42, 25,238.73 and 5,137.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,823.42 : 25,238.73 = 5,137.50 : x
2. Step 2: Convert to fraction form
   16,823.42/25,238.73 = 5,137.50/x
3. Step 3: Cross multiply
   16,823.42x = 25,238.73 × 5,137.50
4. Step 4: Simplify right side
   16,823.42x = 129,663,975.38
5. Step 5: Solve for x
   x = 129,663,975.38/16,823.42
6. Step 6: Final answer
   x = 7,707.35