Finding the Fourth Proportional to 1,660.52, 2,291.55 and 962.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,660.52 : 2,291.55 = 962.30 : x
2. Step 2: Convert to fraction form
   1,660.52/2,291.55 = 962.30/x
3. Step 3: Cross multiply
   1,660.52x = 2,291.55 × 962.30
4. Step 4: Simplify right side
   1,660.52x = 2,205,158.57
5. Step 5: Solve for x
   x = 2,205,158.57/1,660.52
6. Step 6: Final answer
   x = 1,327.99