Finding the Fourth Proportional to 10,448.78, 14,418.42 and 5,971.64

Step by Step Solution

1. Step 1: Write the proportion equation
   10,448.78 : 14,418.42 = 5,971.64 : x
2. Step 2: Convert to fraction form
   10,448.78/14,418.42 = 5,971.64/x
3. Step 3: Cross multiply
   10,448.78x = 14,418.42 × 5,971.64
4. Step 4: Simplify right side
   10,448.78x = 86,101,613.61
5. Step 5: Solve for x
   x = 86,101,613.61/10,448.78
6. Step 6: Final answer
   x = 8,240.35