Finding the Fourth Proportional to 11,578.43, 17,368.67 and 3,258.51

Step by Step Solution

1. Step 1: Write the proportion equation
   11,578.43 : 17,368.67 = 3,258.51 : x
2. Step 2: Convert to fraction form
   11,578.43/17,368.67 = 3,258.51/x
3. Step 3: Cross multiply
   11,578.43x = 17,368.67 × 3,258.51
4. Step 4: Simplify right side
   11,578.43x = 56,595,968.59
5. Step 5: Solve for x
   x = 56,595,968.59/11,578.43
6. Step 6: Final answer
   x = 4,888.05