Finding the Fourth Proportional to 1,151.07, 1,725.89 and 493.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.07 : 1,725.89 = 493.37 : x
2. Step 2: Convert to fraction form
   1,151.07/1,725.89 = 493.37/x
3. Step 3: Cross multiply
   1,151.07x = 1,725.89 × 493.37
4. Step 4: Simplify right side
   1,151.07x = 851,504.20
5. Step 5: Solve for x
   x = 851,504.20/1,151.07
6. Step 6: Final answer
   x = 739.75