Finding the Fourth Proportional to 16,921.02, 23,353.46 and 9,749.54

Step by Step Solution

1. Step 1: Write the proportion equation
   16,921.02 : 23,353.46 = 9,749.54 : x
2. Step 2: Convert to fraction form
   16,921.02/23,353.46 = 9,749.54/x
3. Step 3: Cross multiply
   16,921.02x = 23,353.46 × 9,749.54
4. Step 4: Simplify right side
   16,921.02x = 227,685,492.41
5. Step 5: Solve for x
   x = 227,685,492.41/16,921.02
6. Step 6: Final answer
   x = 13,455.78