Finding the Fourth Proportional to 17,290.83, 23,861.61 and 10,217.91

Step by Step Solution

1. Step 1: Write the proportion equation
   17,290.83 : 23,861.61 = 10,217.91 : x
2. Step 2: Convert to fraction form
   17,290.83/23,861.61 = 10,217.91/x
3. Step 3: Cross multiply
   17,290.83x = 23,861.61 × 10,217.91
4. Step 4: Simplify right side
   17,290.83x = 243,815,783.44
5. Step 5: Solve for x
   x = 243,815,783.44/17,290.83
6. Step 6: Final answer
   x = 14,100.87