Finding the Fourth Proportional to 31,093.98, 42,916.62 and 19,761.27

Step by Step Solution

1. Step 1: Write the proportion equation
   31,093.98 : 42,916.62 = 19,761.27 : x
2. Step 2: Convert to fraction form
   31,093.98/42,916.62 = 19,761.27/x
3. Step 3: Cross multiply
   31,093.98x = 42,916.62 × 19,761.27
4. Step 4: Simplify right side
   31,093.98x = 848,086,717.32
5. Step 5: Solve for x
   x = 848,086,717.32/31,093.98
6. Step 6: Final answer
   x = 27,274.95