Finding the Fourth Proportional to 16,973.89, 23,420.34 and 10,258.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,973.89 : 23,420.34 = 10,258.18 : x
2. Step 2: Convert to fraction form
   16,973.89/23,420.34 = 10,258.18/x
3. Step 3: Cross multiply
   16,973.89x = 23,420.34 × 10,258.18
4. Step 4: Simplify right side
   16,973.89x = 240,250,004.83
5. Step 5: Solve for x
   x = 240,250,004.83/16,973.89
6. Step 6: Final answer
   x = 14,154.09