Finding the Fourth Proportional to 1,449.38, 2,171.00 and 981.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,449.38 : 2,171.00 = 981.14 : x
2. Step 2: Convert to fraction form
   1,449.38/2,171.00 = 981.14/x
3. Step 3: Cross multiply
   1,449.38x = 2,171.00 × 981.14
4. Step 4: Simplify right side
   1,449.38x = 2,130,057.30
5. Step 5: Solve for x
   x = 2,130,057.30/1,449.38
6. Step 6: Final answer
   x = 1,469.63