Finding the Fourth Proportional to 1,074.18, 1,482.56 and 632.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074.18 : 1,482.56 = 632.05 : x
2. Step 2: Convert to fraction form
   1,074.18/1,482.56 = 632.05/x
3. Step 3: Cross multiply
   1,074.18x = 1,482.56 × 632.05
4. Step 4: Simplify right side
   1,074.18x = 937,052.05
5. Step 5: Solve for x
   x = 937,052.05/1,074.18
6. Step 6: Final answer
   x = 872.34