Finding the Fourth Proportional to 30,973.56, 42,744.60 and 17,545.20

Step by Step Solution

1. Step 1: Write the proportion equation
   30,973.56 : 42,744.60 = 17,545.20 : x
2. Step 2: Convert to fraction form
   30,973.56/42,744.60 = 17,545.20/x
3. Step 3: Cross multiply
   30,973.56x = 42,744.60 × 17,545.20
4. Step 4: Simplify right side
   30,973.56x = 749,962,555.92
5. Step 5: Solve for x
   x = 749,962,555.92/30,973.56
6. Step 6: Final answer
   x = 24,212.99