Finding the Fourth Proportional to 17,146.57, 23,660.47 and 9,975.14

Step by Step Solution

1. Step 1: Write the proportion equation
   17,146.57 : 23,660.47 = 9,975.14 : x
2. Step 2: Convert to fraction form
   17,146.57/23,660.47 = 9,975.14/x
3. Step 3: Cross multiply
   17,146.57x = 23,660.47 × 9,975.14
4. Step 4: Simplify right side
   17,146.57x = 236,016,500.72
5. Step 5: Solve for x
   x = 236,016,500.72/17,146.57
6. Step 6: Final answer
   x = 13,764.65