Finding the Fourth Proportional to 13,723.26, 18,937.98 and 7,435.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,723.26 : 18,937.98 = 7,435.62 : x
2. Step 2: Convert to fraction form
   13,723.26/18,937.98 = 7,435.62/x
3. Step 3: Cross multiply
   13,723.26x = 18,937.98 × 7,435.62
4. Step 4: Simplify right side
   13,723.26x = 140,815,622.85
5. Step 5: Solve for x
   x = 140,815,622.85/13,723.26
6. Step 6: Final answer
   x = 10,261.09