Finding the Fourth Proportional to 17,724.81, 24,460.32 and 9,766.87

Step by Step Solution

1. Step 1: Write the proportion equation
   17,724.81 : 24,460.32 = 9,766.87 : x
2. Step 2: Convert to fraction form
   17,724.81/24,460.32 = 9,766.87/x
3. Step 3: Cross multiply
   17,724.81x = 24,460.32 × 9,766.87
4. Step 4: Simplify right side
   17,724.81x = 238,900,765.60
5. Step 5: Solve for x
   x = 238,900,765.60/17,724.81
6. Step 6: Final answer
   x = 13,478.33