Finding the Fourth Proportional to 1,151.46, 1,725.82 and 663.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.46 : 1,725.82 = 663.50 : x
2. Step 2: Convert to fraction form
   1,151.46/1,725.82 = 663.50/x
3. Step 3: Cross multiply
   1,151.46x = 1,725.82 × 663.50
4. Step 4: Simplify right side
   1,151.46x = 1,145,081.57
5. Step 5: Solve for x
   x = 1,145,081.57/1,151.46
6. Step 6: Final answer
   x = 994.46