Finding the Fourth Proportional to 9,641.98, 14,468.42 and 4,447.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,641.98 : 14,468.42 = 4,447.86 : x
2. Step 2: Convert to fraction form
   9,641.98/14,468.42 = 4,447.86/x
3. Step 3: Cross multiply
   9,641.98x = 14,468.42 × 4,447.86
4. Step 4: Simplify right side
   9,641.98x = 64,353,506.58
5. Step 5: Solve for x
   x = 64,353,506.58/9,641.98
6. Step 6: Final answer
   x = 6,674.30