Finding the Fourth Proportional to 30,300.88, 41,791.56 and 19,693.96

Step by Step Solution

1. Step 1: Write the proportion equation
   30,300.88 : 41,791.56 = 19,693.96 : x
2. Step 2: Convert to fraction form
   30,300.88/41,791.56 = 19,693.96/x
3. Step 3: Cross multiply
   30,300.88x = 41,791.56 × 19,693.96
4. Step 4: Simplify right side
   30,300.88x = 823,041,310.98
5. Step 5: Solve for x
   x = 823,041,310.98/30,300.88
6. Step 6: Final answer
   x = 27,162.29