Finding the Fourth Proportional to 30,866.34, 42,595.88 and 16,719.49

Step by Step Solution

1. Step 1: Write the proportion equation
   30,866.34 : 42,595.88 = 16,719.49 : x
2. Step 2: Convert to fraction form
   30,866.34/42,595.88 = 16,719.49/x
3. Step 3: Cross multiply
   30,866.34x = 42,595.88 × 16,719.49
4. Step 4: Simplify right side
   30,866.34x = 712,181,359.35
5. Step 5: Solve for x
   x = 712,181,359.35/30,866.34
6. Step 6: Final answer
   x = 23,073.07