Finding the Fourth Proportional to 1,105.00, 1,524.89 and 607.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.00 : 1,524.89 = 607.64 : x
2. Step 2: Convert to fraction form
   1,105.00/1,524.89 = 607.64/x
3. Step 3: Cross multiply
   1,105.00x = 1,524.89 × 607.64
4. Step 4: Simplify right side
   1,105.00x = 926,584.16
5. Step 5: Solve for x
   x = 926,584.16/1,105.00
6. Step 6: Final answer
   x = 838.54