Finding the Fourth Proportional to 1,768.25, 2,434.61 and 1,604.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,768.25 : 2,434.61 = 1,604.23 : x
2. Step 2: Convert to fraction form
   1,768.25/2,434.61 = 1,604.23/x
3. Step 3: Cross multiply
   1,768.25x = 2,434.61 × 1,604.23
4. Step 4: Simplify right side
   1,768.25x = 3,905,672.32
5. Step 5: Solve for x
   x = 3,905,672.32/1,768.25
6. Step 6: Final answer
   x = 2,208.78