Finding the Fourth Proportional to 1,100.28, 1,646.78 and 605.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.28 : 1,646.78 = 605.93 : x
2. Step 2: Convert to fraction form
   1,100.28/1,646.78 = 605.93/x
3. Step 3: Cross multiply
   1,100.28x = 1,646.78 × 605.93
4. Step 4: Simplify right side
   1,100.28x = 997,834.81
5. Step 5: Solve for x
   x = 997,834.81/1,100.28
6. Step 6: Final answer
   x = 906.89