Finding the Fourth Proportional to 22,464.89, 31,000.42 and 13,510.68

Step by Step Solution

1. Step 1: Write the proportion equation
   22,464.89 : 31,000.42 = 13,510.68 : x
2. Step 2: Convert to fraction form
   22,464.89/31,000.42 = 13,510.68/x
3. Step 3: Cross multiply
   22,464.89x = 31,000.42 × 13,510.68
4. Step 4: Simplify right side
   22,464.89x = 418,836,754.49
5. Step 5: Solve for x
   x = 418,836,754.49/22,464.89
6. Step 6: Final answer
   x = 18,644.06