Finding the Fourth Proportional to 9,555.89, 14,328.15 and 3,633.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,555.89 : 14,328.15 = 3,633.21 : x
2. Step 2: Convert to fraction form
   9,555.89/14,328.15 = 3,633.21/x
3. Step 3: Cross multiply
   9,555.89x = 14,328.15 × 3,633.21
4. Step 4: Simplify right side
   9,555.89x = 52,057,128.02
5. Step 5: Solve for x
   x = 52,057,128.02/9,555.89
6. Step 6: Final answer
   x = 5,447.65