Finding the Fourth Proportional to 17,818.82, 24,548.16 and 12,431.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,818.82 : 24,548.16 = 12,431.42 : x
2. Step 2: Convert to fraction form
   17,818.82/24,548.16 = 12,431.42/x
3. Step 3: Cross multiply
   17,818.82x = 24,548.16 × 12,431.42
4. Step 4: Simplify right side
   17,818.82x = 305,168,487.19
5. Step 5: Solve for x
   x = 305,168,487.19/17,818.82
6. Step 6: Final answer
   x = 17,126.19