Finding the Fourth Proportional to 30,993.52, 42,769.56 and 16,845.52

Step by Step Solution

1. Step 1: Write the proportion equation
   30,993.52 : 42,769.56 = 16,845.52 : x
2. Step 2: Convert to fraction form
   30,993.52/42,769.56 = 16,845.52/x
3. Step 3: Cross multiply
   30,993.52x = 42,769.56 × 16,845.52
4. Step 4: Simplify right side
   30,993.52x = 720,475,478.37
5. Step 5: Solve for x
   x = 720,475,478.37/30,993.52
6. Step 6: Final answer
   x = 23,246.00