Finding the Fourth Proportional to 3,452.78, 5,172.01 and 1,804.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,452.78 : 5,172.01 = 1,804.34 : x
2. Step 2: Convert to fraction form
   3,452.78/5,172.01 = 1,804.34/x
3. Step 3: Cross multiply
   3,452.78x = 5,172.01 × 1,804.34
4. Step 4: Simplify right side
   3,452.78x = 9,332,064.52
5. Step 5: Solve for x
   x = 9,332,064.52/3,452.78
6. Step 6: Final answer
   x = 2,702.77