Finding the Fourth Proportional to 2,504.32, 3,456.04 and 1,385.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,504.32 : 3,456.04 = 1,385.24 : x
2. Step 2: Convert to fraction form
   2,504.32/3,456.04 = 1,385.24/x
3. Step 3: Cross multiply
   2,504.32x = 3,456.04 × 1,385.24
4. Step 4: Simplify right side
   2,504.32x = 4,787,444.85
5. Step 5: Solve for x
   x = 4,787,444.85/2,504.32
6. Step 6: Final answer
   x = 1,911.67