Finding the Fourth Proportional to 9,623.47, 14,455.68 and 9,061.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,623.47 : 14,455.68 = 9,061.69 : x
2. Step 2: Convert to fraction form
   9,623.47/14,455.68 = 9,061.69/x
3. Step 3: Cross multiply
   9,623.47x = 14,455.68 × 9,061.69
4. Step 4: Simplify right side
   9,623.47x = 130,992,890.90
5. Step 5: Solve for x
   x = 130,992,890.90/9,623.47
6. Step 6: Final answer
   x = 13,611.81