Finding the Fourth Proportional to 30,514.78, 42,109.23 and 17,084.78

Step by Step Solution

1. Step 1: Write the proportion equation
   30,514.78 : 42,109.23 = 17,084.78 : x
2. Step 2: Convert to fraction form
   30,514.78/42,109.23 = 17,084.78/x
3. Step 3: Cross multiply
   30,514.78x = 42,109.23 × 17,084.78
4. Step 4: Simplify right side
   30,514.78x = 719,426,930.52
5. Step 5: Solve for x
   x = 719,426,930.52/30,514.78
6. Step 6: Final answer
   x = 23,576.34