Finding the Fourth Proportional to 3,656.98, 5,047.28 and 3,535.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,656.98 : 5,047.28 = 3,535.48 : x
2. Step 2: Convert to fraction form
   3,656.98/5,047.28 = 3,535.48/x
3. Step 3: Cross multiply
   3,656.98x = 5,047.28 × 3,535.48
4. Step 4: Simplify right side
   3,656.98x = 17,844,557.49
5. Step 5: Solve for x
   x = 17,844,557.49/3,656.98
6. Step 6: Final answer
   x = 4,879.59