Finding the Fourth Proportional to 17,620.34, 24,316.61 and 9,662.90

Step by Step Solution

1. Step 1: Write the proportion equation
   17,620.34 : 24,316.61 = 9,662.90 : x
2. Step 2: Convert to fraction form
   17,620.34/24,316.61 = 9,662.90/x
3. Step 3: Cross multiply
   17,620.34x = 24,316.61 × 9,662.90
4. Step 4: Simplify right side
   17,620.34x = 234,968,800.87
5. Step 5: Solve for x
   x = 234,968,800.87/17,620.34
6. Step 6: Final answer
   x = 13,335.09