Finding the Fourth Proportional to 11,020.91, 16,527.86 and 3,623.65

Step by Step Solution

1. Step 1: Write the proportion equation
   11,020.91 : 16,527.86 = 3,623.65 : x
2. Step 2: Convert to fraction form
   11,020.91/16,527.86 = 3,623.65/x
3. Step 3: Cross multiply
   11,020.91x = 16,527.86 × 3,623.65
4. Step 4: Simplify right side
   11,020.91x = 59,891,120.45
5. Step 5: Solve for x
   x = 59,891,120.45/11,020.91
6. Step 6: Final answer
   x = 5,434.32