Finding the Fourth Proportional to 13,723.82, 18,938.94 and 7,436.22

Step by Step Solution

1. Step 1: Write the proportion equation
   13,723.82 : 18,938.94 = 7,436.22 : x
2. Step 2: Convert to fraction form
   13,723.82/18,938.94 = 7,436.22/x
3. Step 3: Cross multiply
   13,723.82x = 18,938.94 × 7,436.22
4. Step 4: Simplify right side
   13,723.82x = 140,834,124.41
5. Step 5: Solve for x
   x = 140,834,124.41/13,723.82
6. Step 6: Final answer
   x = 10,262.02