Finding the Fourth Proportional to 30,877.80, 42,618.36 and 17,456.82

Step by Step Solution

1. Step 1: Write the proportion equation
   30,877.80 : 42,618.36 = 17,456.82 : x
2. Step 2: Convert to fraction form
   30,877.80/42,618.36 = 17,456.82/x
3. Step 3: Cross multiply
   30,877.80x = 42,618.36 × 17,456.82
4. Step 4: Simplify right side
   30,877.80x = 743,981,039.22
5. Step 5: Solve for x
   x = 743,981,039.22/30,877.80
6. Step 6: Final answer
   x = 24,094.37