Finding the Fourth Proportional to 9,417.72, 14,118.21 and 3,578.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,417.72 : 14,118.21 = 3,578.43 : x
2. Step 2: Convert to fraction form
   9,417.72/14,118.21 = 3,578.43/x
3. Step 3: Cross multiply
   9,417.72x = 14,118.21 × 3,578.43
4. Step 4: Simplify right side
   9,417.72x = 50,521,026.21
5. Step 5: Solve for x
   x = 50,521,026.21/9,417.72
6. Step 6: Final answer
   x = 5,364.46