Finding the Fourth Proportional to 1,073.82, 1,482.24 and 631.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,073.82 : 1,482.24 = 631.86 : x
2. Step 2: Convert to fraction form
   1,073.82/1,482.24 = 631.86/x
3. Step 3: Cross multiply
   1,073.82x = 1,482.24 × 631.86
4. Step 4: Simplify right side
   1,073.82x = 936,568.17
5. Step 5: Solve for x
   x = 936,568.17/1,073.82
6. Step 6: Final answer
   x = 872.18