Finding the Fourth Proportional to 1,079.04, 1,611.15 and 962.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,079.04 : 1,611.15 = 962.40 : x
2. Step 2: Convert to fraction form
   1,079.04/1,611.15 = 962.40/x
3. Step 3: Cross multiply
   1,079.04x = 1,611.15 × 962.40
4. Step 4: Simplify right side
   1,079.04x = 1,550,570.76
5. Step 5: Solve for x
   x = 1,550,570.76/1,079.04
6. Step 6: Final answer
   x = 1,436.99