Finding the Fourth Proportional to 2,179.86, 3,267.09 and 1,023.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.86 : 3,267.09 = 1,023.18 : x
2. Step 2: Convert to fraction form
   2,179.86/3,267.09 = 1,023.18/x
3. Step 3: Cross multiply
   2,179.86x = 3,267.09 × 1,023.18
4. Step 4: Simplify right side
   2,179.86x = 3,342,821.15
5. Step 5: Solve for x
   x = 3,342,821.15/2,179.86
6. Step 6: Final answer
   x = 1,533.50