Finding the Fourth Proportional to 16,740.21, 23,101.29 and 9,666.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,740.21 : 23,101.29 = 9,666.48 : x
2. Step 2: Convert to fraction form
   16,740.21/23,101.29 = 9,666.48/x
3. Step 3: Cross multiply
   16,740.21x = 23,101.29 × 9,666.48
4. Step 4: Simplify right side
   16,740.21x = 223,308,157.76
5. Step 5: Solve for x
   x = 223,308,157.76/16,740.21
6. Step 6: Final answer
   x = 13,339.63