Finding the Fourth Proportional to 11,019.21, 16,527.12 and 3,623.79

Step by Step Solution

1. Step 1: Write the proportion equation
   11,019.21 : 16,527.12 = 3,623.79 : x
2. Step 2: Convert to fraction form
   11,019.21/16,527.12 = 3,623.79/x
3. Step 3: Cross multiply
   11,019.21x = 16,527.12 × 3,623.79
4. Step 4: Simplify right side
   11,019.21x = 59,890,812.18
5. Step 5: Solve for x
   x = 59,890,812.18/11,019.21
6. Step 6: Final answer
   x = 5,435.13