Finding the Fourth Proportional to 13,019.46, 19,490.79 and 8,073.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,019.46 : 19,490.79 = 8,073.18 : x
2. Step 2: Convert to fraction form
   13,019.46/19,490.79 = 8,073.18/x
3. Step 3: Cross multiply
   13,019.46x = 19,490.79 × 8,073.18
4. Step 4: Simplify right side
   13,019.46x = 157,352,656.01
5. Step 5: Solve for x
   x = 157,352,656.01/13,019.46
6. Step 6: Final answer
   x = 12,085.96