Finding the Fourth Proportional to 11,475.52, 17,213.47 and 3,578.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,475.52 : 17,213.47 = 3,578.25 : x
2. Step 2: Convert to fraction form
   11,475.52/17,213.47 = 3,578.25/x
3. Step 3: Cross multiply
   11,475.52x = 17,213.47 × 3,578.25
4. Step 4: Simplify right side
   11,475.52x = 61,594,131.38
5. Step 5: Solve for x
   x = 61,594,131.38/11,475.52
6. Step 6: Final answer
   x = 5,367.44