Finding the Fourth Proportional to 3,647.39, 5,030.73 and 2,386.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,647.39 : 5,030.73 = 2,386.42 : x
2. Step 2: Convert to fraction form
   3,647.39/5,030.73 = 2,386.42/x
3. Step 3: Cross multiply
   3,647.39x = 5,030.73 × 2,386.42
4. Step 4: Simplify right side
   3,647.39x = 12,005,434.69
5. Step 5: Solve for x
   x = 12,005,434.69/3,647.39
6. Step 6: Final answer
   x = 3,291.51