Finding the Fourth Proportional to 1,582.72, 2,184.24 and 884.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,582.72 : 2,184.24 = 884.08 : x
2. Step 2: Convert to fraction form
   1,582.72/2,184.24 = 884.08/x
3. Step 3: Cross multiply
   1,582.72x = 2,184.24 × 884.08
4. Step 4: Simplify right side
   1,582.72x = 1,931,042.90
5. Step 5: Solve for x
   x = 1,931,042.90/1,582.72
6. Step 6: Final answer
   x = 1,220.08