Finding the Fourth Proportional to 1,105.37, 1,664.64 and 962.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.37 : 1,664.64 = 962.81 : x
2. Step 2: Convert to fraction form
   1,105.37/1,664.64 = 962.81/x
3. Step 3: Cross multiply
   1,105.37x = 1,664.64 × 962.81
4. Step 4: Simplify right side
   1,105.37x = 1,602,729.63
5. Step 5: Solve for x
   x = 1,602,729.63/1,105.37
6. Step 6: Final answer
   x = 1,449.95