Finding the Fourth Proportional to 1,488.87, 2,054.88 and 966.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488.87 : 2,054.88 = 966.42 : x
2. Step 2: Convert to fraction form
   1,488.87/2,054.88 = 966.42/x
3. Step 3: Cross multiply
   1,488.87x = 2,054.88 × 966.42
4. Step 4: Simplify right side
   1,488.87x = 1,985,877.13
5. Step 5: Solve for x
   x = 1,985,877.13/1,488.87
6. Step 6: Final answer
   x = 1,333.81