Finding the Fourth Proportional to 1,582.34, 2,180.06 and 1,103.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,582.34 : 2,180.06 = 1,103.34 : x
2. Step 2: Convert to fraction form
   1,582.34/2,180.06 = 1,103.34/x
3. Step 3: Cross multiply
   1,582.34x = 2,180.06 × 1,103.34
4. Step 4: Simplify right side
   1,582.34x = 2,405,341.88
5. Step 5: Solve for x
   x = 2,405,341.88/1,582.34
6. Step 6: Final answer
   x = 1,520.12