Finding the Fourth Proportional to 16,881.37, 23,300.81 and 9,712.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,881.37 : 23,300.81 = 9,712.10 : x
2. Step 2: Convert to fraction form
   16,881.37/23,300.81 = 9,712.10/x
3. Step 3: Cross multiply
   16,881.37x = 23,300.81 × 9,712.10
4. Step 4: Simplify right side
   16,881.37x = 226,299,796.80
5. Step 5: Solve for x
   x = 226,299,796.80/16,881.37
6. Step 6: Final answer
   x = 13,405.30