Finding the Fourth Proportional to 30,980.52, 42,752.88 and 16,833.33

Step by Step Solution

1. Step 1: Write the proportion equation
   30,980.52 : 42,752.88 = 16,833.33 : x
2. Step 2: Convert to fraction form
   30,980.52/42,752.88 = 16,833.33/x
3. Step 3: Cross multiply
   30,980.52x = 42,752.88 × 16,833.33
4. Step 4: Simplify right side
   30,980.52x = 719,673,337.49
5. Step 5: Solve for x
   x = 719,673,337.49/30,980.52
6. Step 6: Final answer
   x = 23,229.87