Finding the Fourth Proportional to 30,501.80, 42,096.90 and 17,578.58

Step by Step Solution

1. Step 1: Write the proportion equation
   30,501.80 : 42,096.90 = 17,578.58 : x
2. Step 2: Convert to fraction form
   30,501.80/42,096.90 = 17,578.58/x
3. Step 3: Cross multiply
   30,501.80x = 42,096.90 × 17,578.58
4. Step 4: Simplify right side
   30,501.80x = 740,003,724.40
5. Step 5: Solve for x
   x = 740,003,724.40/30,501.80
6. Step 6: Final answer
   x = 24,260.99