Finding the Fourth Proportional to 1,079.49, 1,610.57 and 962.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,079.49 : 1,610.57 = 962.55 : x
2. Step 2: Convert to fraction form
   1,079.49/1,610.57 = 962.55/x
3. Step 3: Cross multiply
   1,079.49x = 1,610.57 × 962.55
4. Step 4: Simplify right side
   1,079.49x = 1,550,249.34
5. Step 5: Solve for x
   x = 1,550,249.34/1,079.49
6. Step 6: Final answer
   x = 1,436.09