Finding the Fourth Proportional to 31,856.68, 43,962.48 and 19,927

Step by Step Solution

1. Step 1: Write the proportion equation
   31,856.68 : 43,962.48 = 19,927 : x
2. Step 2: Convert to fraction form
   31,856.68/43,962.48 = 19,927/x
3. Step 3: Cross multiply
   31,856.68x = 43,962.48 × 19,927
4. Step 4: Simplify right side
   31,856.68x = 876,040,338.96
5. Step 5: Solve for x
   x = 876,040,338.96/31,856.68
6. Step 6: Final answer
   x = 27,499.42