Finding the Fourth Proportional to 1,976.98, 2,965.58 and 881.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.98 : 2,965.58 = 881.42 : x
2. Step 2: Convert to fraction form
   1,976.98/2,965.58 = 881.42/x
3. Step 3: Cross multiply
   1,976.98x = 2,965.58 × 881.42
4. Step 4: Simplify right side
   1,976.98x = 2,613,921.52
5. Step 5: Solve for x
   x = 2,613,921.52/1,976.98
6. Step 6: Final answer
   x = 1,322.18