Finding the Fourth Proportional to 2,014.81, 3,005.47 and 1,981.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,014.81 : 3,005.47 = 1,981.40 : x
2. Step 2: Convert to fraction form
   2,014.81/3,005.47 = 1,981.40/x
3. Step 3: Cross multiply
   2,014.81x = 3,005.47 × 1,981.40
4. Step 4: Simplify right side
   2,014.81x = 5,955,023.23
5. Step 5: Solve for x
   x = 5,955,023.23/2,014.81
6. Step 6: Final answer
   x = 2,955.63