Finding the Fourth Proportional to 1,447.24, 1,996.98 and 981.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,447.24 : 1,996.98 = 981.16 : x
2. Step 2: Convert to fraction form
   1,447.24/1,996.98 = 981.16/x
3. Step 3: Cross multiply
   1,447.24x = 1,996.98 × 981.16
4. Step 4: Simplify right side
   1,447.24x = 1,959,356.90
5. Step 5: Solve for x
   x = 1,959,356.90/1,447.24
6. Step 6: Final answer
   x = 1,353.86