Finding the Fourth Proportional to 16,734.20, 23,090.62 and 9,659.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,734.20 : 23,090.62 = 9,659.25 : x
2. Step 2: Convert to fraction form
   16,734.20/23,090.62 = 9,659.25/x
3. Step 3: Cross multiply
   16,734.20x = 23,090.62 × 9,659.25
4. Step 4: Simplify right side
   16,734.20x = 223,038,065.20
5. Step 5: Solve for x
   x = 223,038,065.20/16,734.20
6. Step 6: Final answer
   x = 13,328.28