Finding the Fourth Proportional to 30,501.50, 42,092.06 and 17,072.75

Step by Step Solution

1. Step 1: Write the proportion equation
   30,501.50 : 42,092.06 = 17,072.75 : x
2. Step 2: Convert to fraction form
   30,501.50/42,092.06 = 17,072.75/x
3. Step 3: Cross multiply
   30,501.50x = 42,092.06 × 17,072.75
4. Step 4: Simplify right side
   30,501.50x = 718,627,217.37
5. Step 5: Solve for x
   x = 718,627,217.37/30,501.50
6. Step 6: Final answer
   x = 23,560.39