Finding the Fourth Proportional to 1,152.83, 1,728.64 and 604.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152.83 : 1,728.64 = 604.87 : x
2. Step 2: Convert to fraction form
   1,152.83/1,728.64 = 604.87/x
3. Step 3: Cross multiply
   1,152.83x = 1,728.64 × 604.87
4. Step 4: Simplify right side
   1,152.83x = 1,045,598.91
5. Step 5: Solve for x
   x = 1,045,598.91/1,152.83
6. Step 6: Final answer
   x = 906.98