Finding the Fourth Proportional to 23,105.82, 31,887 and 13,034.64

Step by Step Solution

1. Step 1: Write the proportion equation
   23,105.82 : 31,887 = 13,034.64 : x
2. Step 2: Convert to fraction form
   23,105.82/31,887 = 13,034.64/x
3. Step 3: Cross multiply
   23,105.82x = 31,887 × 13,034.64
4. Step 4: Simplify right side
   23,105.82x = 415,635,565.68
5. Step 5: Solve for x
   x = 415,635,565.68/23,105.82
6. Step 6: Final answer
   x = 17,988.35