Finding the Fourth Proportional to 16,871.31, 23,277.72 and 9,700.83

Step by Step Solution

1. Step 1: Write the proportion equation
   16,871.31 : 23,277.72 = 9,700.83 : x
2. Step 2: Convert to fraction form
   16,871.31/23,277.72 = 9,700.83/x
3. Step 3: Cross multiply
   16,871.31x = 23,277.72 × 9,700.83
4. Step 4: Simplify right side
   16,871.31x = 225,813,204.51
5. Step 5: Solve for x
   x = 225,813,204.51/16,871.31
6. Step 6: Final answer
   x = 13,384.45