Finding the Fourth Proportional to 31,341.12, 46,996.56 and 18,196.80

Step by Step Solution

1. Step 1: Write the proportion equation
   31,341.12 : 46,996.56 = 18,196.80 : x
2. Step 2: Convert to fraction form
   31,341.12/46,996.56 = 18,196.80/x
3. Step 3: Cross multiply
   31,341.12x = 46,996.56 × 18,196.80
4. Step 4: Simplify right side
   31,341.12x = 855,187,003.01
5. Step 5: Solve for x
   x = 855,187,003.01/31,341.12
6. Step 6: Final answer
   x = 27,286.42