Finding the Fourth Proportional to 3,698.54, 5,547.77 and 3,513.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,698.54 : 5,547.77 = 3,513.98 : x
2. Step 2: Convert to fraction form
   3,698.54/5,547.77 = 3,513.98/x
3. Step 3: Cross multiply
   3,698.54x = 5,547.77 × 3,513.98
4. Step 4: Simplify right side
   3,698.54x = 19,494,752.82
5. Step 5: Solve for x
   x = 19,494,752.82/3,698.54
6. Step 6: Final answer
   x = 5,270.93