Finding the Fourth Proportional to 1,488.96, 2,054.34 and 965.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488.96 : 2,054.34 = 965.34 : x
2. Step 2: Convert to fraction form
   1,488.96/2,054.34 = 965.34/x
3. Step 3: Cross multiply
   1,488.96x = 2,054.34 × 965.34
4. Step 4: Simplify right side
   1,488.96x = 1,983,136.58
5. Step 5: Solve for x
   x = 1,983,136.58/1,488.96
6. Step 6: Final answer
   x = 1,331.89