Finding the Fourth Proportional to 3,679.59, 5,519.25 and 906.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,679.59 : 5,519.25 = 906.27 : x
2. Step 2: Convert to fraction form
   3,679.59/5,519.25 = 906.27/x
3. Step 3: Cross multiply
   3,679.59x = 5,519.25 × 906.27
4. Step 4: Simplify right side
   3,679.59x = 5,001,930.70
5. Step 5: Solve for x
   x = 5,001,930.70/3,679.59
6. Step 6: Final answer
   x = 1,359.37