Finding the Fourth Proportional to 22,607.39, 31,190.73 and 13,651.49

Step by Step Solution

1. Step 1: Write the proportion equation
   22,607.39 : 31,190.73 = 13,651.49 : x
2. Step 2: Convert to fraction form
   22,607.39/31,190.73 = 13,651.49/x
3. Step 3: Cross multiply
   22,607.39x = 31,190.73 × 13,651.49
4. Step 4: Simplify right side
   22,607.39x = 425,799,938.69
5. Step 5: Solve for x
   x = 425,799,938.69/22,607.39
6. Step 6: Final answer
   x = 18,834.55