Finding the Fourth Proportional to 12,083.58, 18,131.04 and 7,162.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,083.58 : 18,131.04 = 7,162.83 : x
2. Step 2: Convert to fraction form
   12,083.58/18,131.04 = 7,162.83/x
3. Step 3: Cross multiply
   12,083.58x = 18,131.04 × 7,162.83
4. Step 4: Simplify right side
   12,083.58x = 129,869,557.24
5. Step 5: Solve for x
   x = 129,869,557.24/12,083.58
6. Step 6: Final answer
   x = 10,747.61