Finding the Fourth Proportional to 30,470.37, 42,048.88 and 17,723.80

Step by Step Solution

1. Step 1: Write the proportion equation
   30,470.37 : 42,048.88 = 17,723.80 : x
2. Step 2: Convert to fraction form
   30,470.37/42,048.88 = 17,723.80/x
3. Step 3: Cross multiply
   30,470.37x = 42,048.88 × 17,723.80
4. Step 4: Simplify right side
   30,470.37x = 745,265,939.34
5. Step 5: Solve for x
   x = 745,265,939.34/30,470.37
6. Step 6: Final answer
   x = 24,458.71