Finding the Fourth Proportional to 30,940.50, 42,692.94 and 17,507.46

Step by Step Solution

1. Step 1: Write the proportion equation
   30,940.50 : 42,692.94 = 17,507.46 : x
2. Step 2: Convert to fraction form
   30,940.50/42,692.94 = 17,507.46/x
3. Step 3: Cross multiply
   30,940.50x = 42,692.94 × 17,507.46
4. Step 4: Simplify right side
   30,940.50x = 747,444,939.33
5. Step 5: Solve for x
   x = 747,444,939.33/30,940.50
6. Step 6: Final answer
   x = 24,157.49