Finding the Fourth Proportional to 30,566.75, 42,179.99 and 16,953.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,566.75 : 42,179.99 = 16,953.50 : x
2. Step 2: Convert to fraction form
   30,566.75/42,179.99 = 16,953.50/x
3. Step 3: Cross multiply
   30,566.75x = 42,179.99 × 16,953.50
4. Step 4: Simplify right side
   30,566.75x = 715,098,608.30
5. Step 5: Solve for x
   x = 715,098,608.30/30,566.75
6. Step 6: Final answer
   x = 23,394.66