Finding the Fourth Proportional to 12,371.27, 17,069.94 and 10,009.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,371.27 : 17,069.94 = 10,009.31 : x
2. Step 2: Convert to fraction form
   12,371.27/17,069.94 = 10,009.31/x
3. Step 3: Cross multiply
   12,371.27x = 17,069.94 × 10,009.31
4. Step 4: Simplify right side
   12,371.27x = 170,858,235.79
5. Step 5: Solve for x
   x = 170,858,235.79/12,371.27
6. Step 6: Final answer
   x = 13,810.89