Finding the Fourth Proportional to 11,361.88, 17,043.42 and 3,571.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,361.88 : 17,043.42 = 3,571.30 : x
2. Step 2: Convert to fraction form
   11,361.88/17,043.42 = 3,571.30/x
3. Step 3: Cross multiply
   11,361.88x = 17,043.42 × 3,571.30
4. Step 4: Simplify right side
   11,361.88x = 60,867,080.63
5. Step 5: Solve for x
   x = 60,867,080.63/11,361.88
6. Step 6: Final answer
   x = 5,357.13