Finding the Fourth Proportional to 31,196.05, 46,789.69 and 10,136.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,196.05 : 46,789.69 = 10,136.38 : x
2. Step 2: Convert to fraction form
   31,196.05/46,789.69 = 10,136.38/x
3. Step 3: Cross multiply
   31,196.05x = 46,789.69 × 10,136.38
4. Step 4: Simplify right side
   31,196.05x = 474,278,077.92
5. Step 5: Solve for x
   x = 474,278,077.92/31,196.05
6. Step 6: Final answer
   x = 15,203.15