Finding the Fourth Proportional to 11,359.74, 17,040.42 and 3,574.02

Step by Step Solution

1. Step 1: Write the proportion equation
   11,359.74 : 17,040.42 = 3,574.02 : x
2. Step 2: Convert to fraction form
   11,359.74/17,040.42 = 3,574.02/x
3. Step 3: Cross multiply
   11,359.74x = 17,040.42 × 3,574.02
4. Step 4: Simplify right side
   11,359.74x = 60,902,801.89
5. Step 5: Solve for x
   x = 60,902,801.89/11,359.74
6. Step 6: Final answer
   x = 5,361.28