Finding the Fourth Proportional to 1,100.74, 1,649.29 and 962.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.74 : 1,649.29 = 962.23 : x
2. Step 2: Convert to fraction form
   1,100.74/1,649.29 = 962.23/x
3. Step 3: Cross multiply
   1,100.74x = 1,649.29 × 962.23
4. Step 4: Simplify right side
   1,100.74x = 1,586,996.32
5. Step 5: Solve for x
   x = 1,586,996.32/1,100.74
6. Step 6: Final answer
   x = 1,441.75