Finding the Fourth Proportional to 13,700.24, 18,906.32 and 7,412.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,700.24 : 18,906.32 = 7,412.62 : x
2. Step 2: Convert to fraction form
   13,700.24/18,906.32 = 7,412.62/x
3. Step 3: Cross multiply
   13,700.24x = 18,906.32 × 7,412.62
4. Step 4: Simplify right side
   13,700.24x = 140,145,365.76
5. Step 5: Solve for x
   x = 140,145,365.76/13,700.24
6. Step 6: Final answer
   x = 10,229.41