Finding the Fourth Proportional to 3,647.97, 5,030.88 and 2,388.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,647.97 : 5,030.88 = 2,388.63 : x
2. Step 2: Convert to fraction form
   3,647.97/5,030.88 = 2,388.63/x
3. Step 3: Cross multiply
   3,647.97x = 5,030.88 × 2,388.63
4. Step 4: Simplify right side
   3,647.97x = 12,016,910.89
5. Step 5: Solve for x
   x = 12,016,910.89/3,647.97
6. Step 6: Final answer
   x = 3,294.14