Finding the Fourth Proportional to 2,367.57, 3,548.78 and 906.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,367.57 : 3,548.78 = 906.39 : x
2. Step 2: Convert to fraction form
   2,367.57/3,548.78 = 906.39/x
3. Step 3: Cross multiply
   2,367.57x = 3,548.78 × 906.39
4. Step 4: Simplify right side
   2,367.57x = 3,216,577.57
5. Step 5: Solve for x
   x = 3,216,577.57/2,367.57
6. Step 6: Final answer
   x = 1,358.60