Finding the Fourth Proportional to 1,658.32, 2,488.50 and 965.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,658.32 : 2,488.50 = 965.30 : x
2. Step 2: Convert to fraction form
   1,658.32/2,488.50 = 965.30/x
3. Step 3: Cross multiply
   1,658.32x = 2,488.50 × 965.30
4. Step 4: Simplify right side
   1,658.32x = 2,402,136.61
5. Step 5: Solve for x
   x = 2,402,136.61/1,658.32
6. Step 6: Final answer
   x = 1,448.54