Finding the Fourth Proportional to 31,116.91, 42,944.66 and 19,024.48

Step by Step Solution

1. Step 1: Write the proportion equation
   31,116.91 : 42,944.66 = 19,024.48 : x
2. Step 2: Convert to fraction form
   31,116.91/42,944.66 = 19,024.48/x
3. Step 3: Cross multiply
   31,116.91x = 42,944.66 × 19,024.48
4. Step 4: Simplify right side
   31,116.91x = 816,999,730.15
5. Step 5: Solve for x
   x = 816,999,730.15/31,116.91
6. Step 6: Final answer
   x = 26,255.82