Finding the Fourth Proportional to 1,150.18, 1,725.71 and 492.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.18 : 1,725.71 = 492.19 : x
2. Step 2: Convert to fraction form
   1,150.18/1,725.71 = 492.19/x
3. Step 3: Cross multiply
   1,150.18x = 1,725.71 × 492.19
4. Step 4: Simplify right side
   1,150.18x = 849,370.43
5. Step 5: Solve for x
   x = 849,370.43/1,150.18
6. Step 6: Final answer
   x = 738.47