Finding the Fourth Proportional to 31,951.65, 44,078.54 and 19,994.23

Step by Step Solution

1. Step 1: Write the proportion equation
   31,951.65 : 44,078.54 = 19,994.23 : x
2. Step 2: Convert to fraction form
   31,951.65/44,078.54 = 19,994.23/x
3. Step 3: Cross multiply
   31,951.65x = 44,078.54 × 19,994.23
4. Step 4: Simplify right side
   31,951.65x = 881,316,466.82
5. Step 5: Solve for x
   x = 881,316,466.82/31,951.65
6. Step 6: Final answer
   x = 27,582.82