Finding the Fourth Proportional to 1,981.41, 2,974.41 and 1,160.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.41 : 2,974.41 = 1,160.28 : x
2. Step 2: Convert to fraction form
   1,981.41/2,974.41 = 1,160.28/x
3. Step 3: Cross multiply
   1,981.41x = 2,974.41 × 1,160.28
4. Step 4: Simplify right side
   1,981.41x = 3,451,148.43
5. Step 5: Solve for x
   x = 3,451,148.43/1,981.41
6. Step 6: Final answer
   x = 1,741.76