Finding the Fourth Proportional to 1,105.04, 1,524.95 and 607.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.04 : 1,524.95 = 607.69 : x
2. Step 2: Convert to fraction form
   1,105.04/1,524.95 = 607.69/x
3. Step 3: Cross multiply
   1,105.04x = 1,524.95 × 607.69
4. Step 4: Simplify right side
   1,105.04x = 926,686.20
5. Step 5: Solve for x
   x = 926,686.20/1,105.04
6. Step 6: Final answer
   x = 838.60