Finding the Fourth Proportional to 1,152.33, 1,727.12 and 604.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152.33 : 1,727.12 = 604.21 : x
2. Step 2: Convert to fraction form
   1,152.33/1,727.12 = 604.21/x
3. Step 3: Cross multiply
   1,152.33x = 1,727.12 × 604.21
4. Step 4: Simplify right side
   1,152.33x = 1,043,543.61
5. Step 5: Solve for x
   x = 1,043,543.61/1,152.33
6. Step 6: Final answer
   x = 905.60