Finding the Fourth Proportional to 11,520.72, 17,281.07 and 3,623.94

Step by Step Solution

1. Step 1: Write the proportion equation
   11,520.72 : 17,281.07 = 3,623.94 : x
2. Step 2: Convert to fraction form
   11,520.72/17,281.07 = 3,623.94/x
3. Step 3: Cross multiply
   11,520.72x = 17,281.07 × 3,623.94
4. Step 4: Simplify right side
   11,520.72x = 62,625,500.33
5. Step 5: Solve for x
   x = 62,625,500.33/11,520.72
6. Step 6: Final answer
   x = 5,435.90