Finding the Fourth Proportional to 30,411.84, 41,969.16 and 19,081.92

Step by Step Solution

1. Step 1: Write the proportion equation
   30,411.84 : 41,969.16 = 19,081.92 : x
2. Step 2: Convert to fraction form
   30,411.84/41,969.16 = 19,081.92/x
3. Step 3: Cross multiply
   30,411.84x = 41,969.16 × 19,081.92
4. Step 4: Simplify right side
   30,411.84x = 800,852,153.59
5. Step 5: Solve for x
   x = 800,852,153.59/30,411.84
6. Step 6: Final answer
   x = 26,333.56