Finding the Fourth Proportional to 13,162.82, 19,744.50 and 4,397.81

Step by Step Solution

1. Step 1: Write the proportion equation
   13,162.82 : 19,744.50 = 4,397.81 : x
2. Step 2: Convert to fraction form
   13,162.82/19,744.50 = 4,397.81/x
3. Step 3: Cross multiply
   13,162.82x = 19,744.50 × 4,397.81
4. Step 4: Simplify right side
   13,162.82x = 86,832,559.55
5. Step 5: Solve for x
   x = 86,832,559.55/13,162.82
6. Step 6: Final answer
   x = 6,596.81