Finding the Fourth Proportional to 30,630.28, 42,273.06 and 17,200.84

Step by Step Solution

1. Step 1: Write the proportion equation
   30,630.28 : 42,273.06 = 17,200.84 : x
2. Step 2: Convert to fraction form
   30,630.28/42,273.06 = 17,200.84/x
3. Step 3: Cross multiply
   30,630.28x = 42,273.06 × 17,200.84
4. Step 4: Simplify right side
   30,630.28x = 727,132,141.37
5. Step 5: Solve for x
   x = 727,132,141.37/30,630.28
6. Step 6: Final answer
   x = 23,739.00