Finding the Fourth Proportional to 1,171.84, 1,758.72 and 488.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171.84 : 1,758.72 = 488.32 : x
2. Step 2: Convert to fraction form
   1,171.84/1,758.72 = 488.32/x
3. Step 3: Cross multiply
   1,171.84x = 1,758.72 × 488.32
4. Step 4: Simplify right side
   1,171.84x = 858,818.15
5. Step 5: Solve for x
   x = 858,818.15/1,171.84
6. Step 6: Final answer
   x = 732.88