Finding the Fourth Proportional to 17,861.60, 24,648.72 and 9,903.62

Step by Step Solution

1. Step 1: Write the proportion equation
   17,861.60 : 24,648.72 = 9,903.62 : x
2. Step 2: Convert to fraction form
   17,861.60/24,648.72 = 9,903.62/x
3. Step 3: Cross multiply
   17,861.60x = 24,648.72 × 9,903.62
4. Step 4: Simplify right side
   17,861.60x = 244,111,556.37
5. Step 5: Solve for x
   x = 244,111,556.37/17,861.60
6. Step 6: Final answer
   x = 13,666.84