Finding the Fourth Proportional to 13,019.42, 19,449.97 and 8,301.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,019.42 : 19,449.97 = 8,301.83 : x
2. Step 2: Convert to fraction form
   13,019.42/19,449.97 = 8,301.83/x
3. Step 3: Cross multiply
   13,019.42x = 19,449.97 × 8,301.83
4. Step 4: Simplify right side
   13,019.42x = 161,470,344.45
5. Step 5: Solve for x
   x = 161,470,344.45/13,019.42
6. Step 6: Final answer
   x = 12,402.27