Finding the Fourth Proportional to 1,099.82, 1,650.04 and 613.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,099.82 : 1,650.04 = 613.22 : x
2. Step 2: Convert to fraction form
   1,099.82/1,650.04 = 613.22/x
3. Step 3: Cross multiply
   1,099.82x = 1,650.04 × 613.22
4. Step 4: Simplify right side
   1,099.82x = 1,011,837.53
5. Step 5: Solve for x
   x = 1,011,837.53/1,099.82
6. Step 6: Final answer
   x = 920.00