Finding the Fourth Proportional to 16,989.46, 25,494.12 and 7,127.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,989.46 : 25,494.12 = 7,127.88 : x
2. Step 2: Convert to fraction form
   16,989.46/25,494.12 = 7,127.88/x
3. Step 3: Cross multiply
   16,989.46x = 25,494.12 × 7,127.88
4. Step 4: Simplify right side
   16,989.46x = 181,719,028.07
5. Step 5: Solve for x
   x = 181,719,028.07/16,989.46
6. Step 6: Final answer
   x = 10,695.99