Finding the Fourth Proportional to 9,622.53, 14,456.91 and 9,091.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,622.53 : 14,456.91 = 9,091.47 : x
2. Step 2: Convert to fraction form
   9,622.53/14,456.91 = 9,091.47/x
3. Step 3: Cross multiply
   9,622.53x = 14,456.91 × 9,091.47
4. Step 4: Simplify right side
   9,622.53x = 131,434,651.86
5. Step 5: Solve for x
   x = 131,434,651.86/9,622.53
6. Step 6: Final answer
   x = 13,659.05