Finding the Fourth Proportional to 12,095.34, 18,140.88 and 3,328.17

Step by Step Solution

1. Step 1: Write the proportion equation
   12,095.34 : 18,140.88 = 3,328.17 : x
2. Step 2: Convert to fraction form
   12,095.34/18,140.88 = 3,328.17/x
3. Step 3: Cross multiply
   12,095.34x = 18,140.88 × 3,328.17
4. Step 4: Simplify right side
   12,095.34x = 60,375,932.59
5. Step 5: Solve for x
   x = 60,375,932.59/12,095.34
6. Step 6: Final answer
   x = 4,991.67