Finding the Fourth Proportional to 12,371.58, 17,105.67 and 10,816.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,371.58 : 17,105.67 = 10,816.38 : x
2. Step 2: Convert to fraction form
   12,371.58/17,105.67 = 10,816.38/x
3. Step 3: Cross multiply
   12,371.58x = 17,105.67 × 10,816.38
4. Step 4: Simplify right side
   12,371.58x = 185,021,426.87
5. Step 5: Solve for x
   x = 185,021,426.87/12,371.58
6. Step 6: Final answer
   x = 14,955.36