Finding the Fourth Proportional to 1,074.53, 1,482.73 and 632.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074.53 : 1,482.73 = 632.40 : x
2. Step 2: Convert to fraction form
   1,074.53/1,482.73 = 632.40/x
3. Step 3: Cross multiply
   1,074.53x = 1,482.73 × 632.40
4. Step 4: Simplify right side
   1,074.53x = 937,680.43
5. Step 5: Solve for x
   x = 937,680.43/1,074.53
6. Step 6: Final answer
   x = 872.65