Finding the Fourth Proportional to 10,469.21, 14,447.55 and 5,753.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,469.21 : 14,447.55 = 5,753.39 : x
2. Step 2: Convert to fraction form
   10,469.21/14,447.55 = 5,753.39/x
3. Step 3: Cross multiply
   10,469.21x = 14,447.55 × 5,753.39
4. Step 4: Simplify right side
   10,469.21x = 83,122,360.93
5. Step 5: Solve for x
   x = 83,122,360.93/10,469.21
6. Step 6: Final answer
   x = 7,939.70