Finding the Fourth Proportional to 2,504.35, 3,456.25 and 1,385.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,504.35 : 3,456.25 = 1,385.37 : x
2. Step 2: Convert to fraction form
   2,504.35/3,456.25 = 1,385.37/x
3. Step 3: Cross multiply
   2,504.35x = 3,456.25 × 1,385.37
4. Step 4: Simplify right side
   2,504.35x = 4,788,185.06
5. Step 5: Solve for x
   x = 4,788,185.06/2,504.35
6. Step 6: Final answer
   x = 1,911.95