Finding the Fourth Proportional to 1,152.05, 1,724.36 and 603.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152.05 : 1,724.36 = 603.47 : x
2. Step 2: Convert to fraction form
   1,152.05/1,724.36 = 603.47/x
3. Step 3: Cross multiply
   1,152.05x = 1,724.36 × 603.47
4. Step 4: Simplify right side
   1,152.05x = 1,040,600.82
5. Step 5: Solve for x
   x = 1,040,600.82/1,152.05
6. Step 6: Final answer
   x = 903.26