Finding the Fourth Proportional to 16,986.52, 25,471.58 and 7,123.14

Step by Step Solution

1. Step 1: Write the proportion equation
   16,986.52 : 25,471.58 = 7,123.14 : x
2. Step 2: Convert to fraction form
   16,986.52/25,471.58 = 7,123.14/x
3. Step 3: Cross multiply
   16,986.52x = 25,471.58 × 7,123.14
4. Step 4: Simplify right side
   16,986.52x = 181,437,630.36
5. Step 5: Solve for x
   x = 181,437,630.36/16,986.52
6. Step 6: Final answer
   x = 10,681.27