Finding the Fourth Proportional to 16,937.31, 23,371.59 and 9,381.75

Step by Step Solution

1. Step 1: Write the proportion equation
   16,937.31 : 23,371.59 = 9,381.75 : x
2. Step 2: Convert to fraction form
   16,937.31/23,371.59 = 9,381.75/x
3. Step 3: Cross multiply
   16,937.31x = 23,371.59 × 9,381.75
4. Step 4: Simplify right side
   16,937.31x = 219,266,414.48
5. Step 5: Solve for x
   x = 219,266,414.48/16,937.31
6. Step 6: Final answer
   x = 12,945.76