Finding the Fourth Proportional to 22,468.46, 30,996.42 and 13,031.54

Step by Step Solution

1. Step 1: Write the proportion equation
   22,468.46 : 30,996.42 = 13,031.54 : x
2. Step 2: Convert to fraction form
   22,468.46/30,996.42 = 13,031.54/x
3. Step 3: Cross multiply
   22,468.46x = 30,996.42 × 13,031.54
4. Step 4: Simplify right side
   22,468.46x = 403,931,087.09
5. Step 5: Solve for x
   x = 403,931,087.09/22,468.46
6. Step 6: Final answer
   x = 17,977.69