Finding the Fourth Proportional to 30,501, 42,091.37 and 17,072.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,501 : 42,091.37 = 17,072.25 : x
2. Step 2: Convert to fraction form
   30,501/42,091.37 = 17,072.25/x
3. Step 3: Cross multiply
   30,501x = 42,091.37 × 17,072.25
4. Step 4: Simplify right side
   30,501x = 718,594,391.48
5. Step 5: Solve for x
   x = 718,594,391.48/30,501
6. Step 6: Final answer
   x = 23,559.70