Finding the Fourth Proportional to 1,419.63, 1,959.57 and 881.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,419.63 : 1,959.57 = 881.68 : x
2. Step 2: Convert to fraction form
   1,419.63/1,959.57 = 881.68/x
3. Step 3: Cross multiply
   1,419.63x = 1,959.57 × 881.68
4. Step 4: Simplify right side
   1,419.63x = 1,727,713.68
5. Step 5: Solve for x
   x = 1,727,713.68/1,419.63
6. Step 6: Final answer
   x = 1,217.02