Finding the Fourth Proportional to 13,214.72, 19,826.22 and 7,955.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,214.72 : 19,826.22 = 7,955.48 : x
2. Step 2: Convert to fraction form
   13,214.72/19,826.22 = 7,955.48/x
3. Step 3: Cross multiply
   13,214.72x = 19,826.22 × 7,955.48
4. Step 4: Simplify right side
   13,214.72x = 157,727,096.69
5. Step 5: Solve for x
   x = 157,727,096.69/13,214.72
6. Step 6: Final answer
   x = 11,935.71