Finding the Fourth Proportional to 28,850.96, 39,786.72 and 17,522.30

Step by Step Solution

1. Step 1: Write the proportion equation
   28,850.96 : 39,786.72 = 17,522.30 : x
2. Step 2: Convert to fraction form
   28,850.96/39,786.72 = 17,522.30/x
3. Step 3: Cross multiply
   28,850.96x = 39,786.72 × 17,522.30
4. Step 4: Simplify right side
   28,850.96x = 697,154,843.86
5. Step 5: Solve for x
   x = 697,154,843.86/28,850.96
6. Step 6: Final answer
   x = 24,164.01