Finding the Fourth Proportional to 13,372.49, 18,453.42 and 7,708.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,372.49 : 18,453.42 = 7,708.25 : x
2. Step 2: Convert to fraction form
   13,372.49/18,453.42 = 7,708.25/x
3. Step 3: Cross multiply
   13,372.49x = 18,453.42 × 7,708.25
4. Step 4: Simplify right side
   13,372.49x = 142,243,620.85
5. Step 5: Solve for x
   x = 142,243,620.85/13,372.49
6. Step 6: Final answer
   x = 10,637.03