Finding the Fourth Proportional to 9,623.42, 14,439.92 and 5,404.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,623.42 : 14,439.92 = 5,404.06 : x
2. Step 2: Convert to fraction form
   9,623.42/14,439.92 = 5,404.06/x
3. Step 3: Cross multiply
   9,623.42x = 14,439.92 × 5,404.06
4. Step 4: Simplify right side
   9,623.42x = 78,034,171.49
5. Step 5: Solve for x
   x = 78,034,171.49/9,623.42
6. Step 6: Final answer
   x = 8,108.78