Finding the Fourth Proportional to 3,699.24, 5,103.63 and 2,186.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,699.24 : 5,103.63 = 2,186.47 : x
2. Step 2: Convert to fraction form
   3,699.24/5,103.63 = 2,186.47/x
3. Step 3: Cross multiply
   3,699.24x = 5,103.63 × 2,186.47
4. Step 4: Simplify right side
   3,699.24x = 11,158,933.89
5. Step 5: Solve for x
   x = 11,158,933.89/3,699.24
6. Step 6: Final answer
   x = 3,016.55