Finding the Fourth Proportional to 1,582.60, 2,184.06 and 874.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,582.60 : 2,184.06 = 874.52 : x
2. Step 2: Convert to fraction form
   1,582.60/2,184.06 = 874.52/x
3. Step 3: Cross multiply
   1,582.60x = 2,184.06 × 874.52
4. Step 4: Simplify right side
   1,582.60x = 1,910,004.15
5. Step 5: Solve for x
   x = 1,910,004.15/1,582.60
6. Step 6: Final answer
   x = 1,206.88