Finding the Fourth Proportional to 13,162.70, 19,747.71 and 7,323.41

Step by Step Solution

1. Step 1: Write the proportion equation
   13,162.70 : 19,747.71 = 7,323.41 : x
2. Step 2: Convert to fraction form
   13,162.70/19,747.71 = 7,323.41/x
3. Step 3: Cross multiply
   13,162.70x = 19,747.71 × 7,323.41
4. Step 4: Simplify right side
   13,162.70x = 144,620,478.15
5. Step 5: Solve for x
   x = 144,620,478.15/13,162.70
6. Step 6: Final answer
   x = 10,987.15