Finding the Fourth Proportional to 9,152.18, 13,726.38 and 2,578.41

Step by Step Solution

1. Step 1: Write the proportion equation
   9,152.18 : 13,726.38 = 2,578.41 : x
2. Step 2: Convert to fraction form
   9,152.18/13,726.38 = 2,578.41/x
3. Step 3: Cross multiply
   9,152.18x = 13,726.38 × 2,578.41
4. Step 4: Simplify right side
   9,152.18x = 35,392,235.46
5. Step 5: Solve for x
   x = 35,392,235.46/9,152.18
6. Step 6: Final answer
   x = 3,867.08