Finding the Fourth Proportional to 22,087.16, 30,491.57 and 17,040.05

Step by Step Solution

1. Step 1: Write the proportion equation
   22,087.16 : 30,491.57 = 17,040.05 : x
2. Step 2: Convert to fraction form
   22,087.16/30,491.57 = 17,040.05/x
3. Step 3: Cross multiply
   22,087.16x = 30,491.57 × 17,040.05
4. Step 4: Simplify right side
   22,087.16x = 519,577,639.72
5. Step 5: Solve for x
   x = 519,577,639.72/22,087.16
6. Step 6: Final answer
   x = 23,523.97