Finding the Fourth Proportional to 17,868.01, 24,659.33 and 9,912.80

Step by Step Solution

1. Step 1: Write the proportion equation
   17,868.01 : 24,659.33 = 9,912.80 : x
2. Step 2: Convert to fraction form
   17,868.01/24,659.33 = 9,912.80/x
3. Step 3: Cross multiply
   17,868.01x = 24,659.33 × 9,912.80
4. Step 4: Simplify right side
   17,868.01x = 244,443,006.42
5. Step 5: Solve for x
   x = 244,443,006.42/17,868.01
6. Step 6: Final answer
   x = 13,680.48