Finding the Fourth Proportional to 17,861.48, 24,648.80 and 9,903.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,861.48 : 24,648.80 = 9,903.50 : x
2. Step 2: Convert to fraction form
   17,861.48/24,648.80 = 9,903.50/x
3. Step 3: Cross multiply
   17,861.48x = 24,648.80 × 9,903.50
4. Step 4: Simplify right side
   17,861.48x = 244,109,390.80
5. Step 5: Solve for x
   x = 244,109,390.80/17,861.48
6. Step 6: Final answer
   x = 13,666.81