Finding the Fourth Proportional to 13,379.41, 18,463.71 and 8,073.20

Step by Step Solution

1. Step 1: Write the proportion equation
   13,379.41 : 18,463.71 = 8,073.20 : x
2. Step 2: Convert to fraction form
   13,379.41/18,463.71 = 8,073.20/x
3. Step 3: Cross multiply
   13,379.41x = 18,463.71 × 8,073.20
4. Step 4: Simplify right side
   13,379.41x = 149,061,300.01
5. Step 5: Solve for x
   x = 149,061,300.01/13,379.41
6. Step 6: Final answer
   x = 11,141.10