Finding the Fourth Proportional to 1,151.37, 1,725.61 and 492.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.37 : 1,725.61 = 492.47 : x
2. Step 2: Convert to fraction form
   1,151.37/1,725.61 = 492.47/x
3. Step 3: Cross multiply
   1,151.37x = 1,725.61 × 492.47
4. Step 4: Simplify right side
   1,151.37x = 849,820.71
5. Step 5: Solve for x
   x = 849,820.71/1,151.37
6. Step 6: Final answer
   x = 738.09