Finding the Fourth Proportional to 12,658.50, 18,990.18 and 5,733

Step by Step Solution

1. Step 1: Write the proportion equation
   12,658.50 : 18,990.18 = 5,733 : x
2. Step 2: Convert to fraction form
   12,658.50/18,990.18 = 5,733/x
3. Step 3: Cross multiply
   12,658.50x = 18,990.18 × 5,733
4. Step 4: Simplify right side
   12,658.50x = 108,870,701.94
5. Step 5: Solve for x
   x = 108,870,701.94/12,658.50
6. Step 6: Final answer
   x = 8,600.60