Finding the Fourth Proportional to 13,196.24, 19,769.04 and 6,614.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,196.24 : 19,769.04 = 6,614.72 : x
2. Step 2: Convert to fraction form
   13,196.24/19,769.04 = 6,614.72/x
3. Step 3: Cross multiply
   13,196.24x = 19,769.04 × 6,614.72
4. Step 4: Simplify right side
   13,196.24x = 130,766,664.27
5. Step 5: Solve for x
   x = 130,766,664.27/13,196.24
6. Step 6: Final answer
   x = 9,909.39