Finding the Fourth Proportional to 17,419.08, 24,039.18 and 9,865.74

Step by Step Solution

1. Step 1: Write the proportion equation
   17,419.08 : 24,039.18 = 9,865.74 : x
2. Step 2: Convert to fraction form
   17,419.08/24,039.18 = 9,865.74/x
3. Step 3: Cross multiply
   17,419.08x = 24,039.18 × 9,865.74
4. Step 4: Simplify right side
   17,419.08x = 237,164,299.69
5. Step 5: Solve for x
   x = 237,164,299.69/17,419.08
6. Step 6: Final answer
   x = 13,615.20