Finding the Fourth Proportional to 1,074.62, 1,482.86 and 632.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074.62 : 1,482.86 = 632.48 : x
2. Step 2: Convert to fraction form
   1,074.62/1,482.86 = 632.48/x
3. Step 3: Cross multiply
   1,074.62x = 1,482.86 × 632.48
4. Step 4: Simplify right side
   1,074.62x = 937,873.46
5. Step 5: Solve for x
   x = 937,873.46/1,074.62
6. Step 6: Final answer
   x = 872.75