Finding the Fourth Proportional to 1,105.24, 1,525.25 and 607.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.24 : 1,525.25 = 607.92 : x
2. Step 2: Convert to fraction form
   1,105.24/1,525.25 = 607.92/x
3. Step 3: Cross multiply
   1,105.24x = 1,525.25 × 607.92
4. Step 4: Simplify right side
   1,105.24x = 927,231.50
5. Step 5: Solve for x
   x = 927,231.50/1,105.24
6. Step 6: Final answer
   x = 838.94