Finding the Fourth Proportional to 17,868.74, 24,660.27 and 9,912.51

Step by Step Solution

1. Step 1: Write the proportion equation
   17,868.74 : 24,660.27 = 9,912.51 : x
2. Step 2: Convert to fraction form
   17,868.74/24,660.27 = 9,912.51/x
3. Step 3: Cross multiply
   17,868.74x = 24,660.27 × 9,912.51
4. Step 4: Simplify right side
   17,868.74x = 244,445,172.98
5. Step 5: Solve for x
   x = 244,445,172.98/17,868.74
6. Step 6: Final answer
   x = 13,680.05