Finding the Fourth Proportional to 1,333.16, 1,996.82 and 1,099.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.16 : 1,996.82 = 1,099.42 : x
2. Step 2: Convert to fraction form
   1,333.16/1,996.82 = 1,099.42/x
3. Step 3: Cross multiply
   1,333.16x = 1,996.82 × 1,099.42
4. Step 4: Simplify right side
   1,333.16x = 2,195,343.84
5. Step 5: Solve for x
   x = 2,195,343.84/1,333.16
6. Step 6: Final answer
   x = 1,646.72