Finding the Fourth Proportional to 9,866.10, 14,799.31 and 3,627.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,866.10 : 14,799.31 = 3,627.59 : x
2. Step 2: Convert to fraction form
   9,866.10/14,799.31 = 3,627.59/x
3. Step 3: Cross multiply
   9,866.10x = 14,799.31 × 3,627.59
4. Step 4: Simplify right side
   9,866.10x = 53,685,745.90
5. Step 5: Solve for x
   x = 53,685,745.90/9,866.10
6. Step 6: Final answer
   x = 5,441.43