Finding the Fourth Proportional to 7,185.30, 10,781.22 and 3,234.39

Step by Step Solution

1. Step 1: Write the proportion equation
   7,185.30 : 10,781.22 = 3,234.39 : x
2. Step 2: Convert to fraction form
   7,185.30/10,781.22 = 3,234.39/x
3. Step 3: Cross multiply
   7,185.30x = 10,781.22 × 3,234.39
4. Step 4: Simplify right side
   7,185.30x = 34,870,670.16
5. Step 5: Solve for x
   x = 34,870,670.16/7,185.30
6. Step 6: Final answer
   x = 4,853.06