Finding the Fourth Proportional to 1,524.42, 2,284.20 and 873.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,524.42 : 2,284.20 = 873.72 : x
2. Step 2: Convert to fraction form
   1,524.42/2,284.20 = 873.72/x
3. Step 3: Cross multiply
   1,524.42x = 2,284.20 × 873.72
4. Step 4: Simplify right side
   1,524.42x = 1,995,751.22
5. Step 5: Solve for x
   x = 1,995,751.22/1,524.42
6. Step 6: Final answer
   x = 1,309.19