Finding the Fourth Proportional to 1,150.83, 1,725.61 and 456.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.83 : 1,725.61 = 456.79 : x
2. Step 2: Convert to fraction form
   1,150.83/1,725.61 = 456.79/x
3. Step 3: Cross multiply
   1,150.83x = 1,725.61 × 456.79
4. Step 4: Simplify right side
   1,150.83x = 788,241.39
5. Step 5: Solve for x
   x = 788,241.39/1,150.83
6. Step 6: Final answer
   x = 684.93