Finding the Fourth Proportional to 11,777.35, 17,642.17 and 5,443.23

Step by Step Solution

1. Step 1: Write the proportion equation
   11,777.35 : 17,642.17 = 5,443.23 : x
2. Step 2: Convert to fraction form
   11,777.35/17,642.17 = 5,443.23/x
3. Step 3: Cross multiply
   11,777.35x = 17,642.17 × 5,443.23
4. Step 4: Simplify right side
   11,777.35x = 96,030,361.79
5. Step 5: Solve for x
   x = 96,030,361.79/11,777.35
6. Step 6: Final answer
   x = 8,153.82