Finding the Fourth Proportional to 1,155.52, 1,730.52 and 668.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.52 : 1,730.52 = 668.04 : x
2. Step 2: Convert to fraction form
   1,155.52/1,730.52 = 668.04/x
3. Step 3: Cross multiply
   1,155.52x = 1,730.52 × 668.04
4. Step 4: Simplify right side
   1,155.52x = 1,156,056.58
5. Step 5: Solve for x
   x = 1,156,056.58/1,155.52
6. Step 6: Final answer
   x = 1,000.46