Finding the Fourth Proportional to 23,150.80, 31,926.18 and 16,819.30

Step by Step Solution

1. Step 1: Write the proportion equation
   23,150.80 : 31,926.18 = 16,819.30 : x
2. Step 2: Convert to fraction form
   23,150.80/31,926.18 = 16,819.30/x
3. Step 3: Cross multiply
   23,150.80x = 31,926.18 × 16,819.30
4. Step 4: Simplify right side
   23,150.80x = 536,975,999.27
5. Step 5: Solve for x
   x = 536,975,999.27/23,150.80
6. Step 6: Final answer
   x = 23,194.71