Finding the Fourth Proportional to 2,981.38, 4,116.30 and 2,665.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,981.38 : 4,116.30 = 2,665.62 : x
2. Step 2: Convert to fraction form
   2,981.38/4,116.30 = 2,665.62/x
3. Step 3: Cross multiply
   2,981.38x = 4,116.30 × 2,665.62
4. Step 4: Simplify right side
   2,981.38x = 10,972,491.61
5. Step 5: Solve for x
   x = 10,972,491.61/2,981.38
6. Step 6: Final answer
   x = 3,680.34