Finding the Fourth Proportional to 30,857.32, 42,582.96 and 16,710.10

Step by Step Solution

1. Step 1: Write the proportion equation
   30,857.32 : 42,582.96 = 16,710.10 : x
2. Step 2: Convert to fraction form
   30,857.32/42,582.96 = 16,710.10/x
3. Step 3: Cross multiply
   30,857.32x = 42,582.96 × 16,710.10
4. Step 4: Simplify right side
   30,857.32x = 711,565,519.90
5. Step 5: Solve for x
   x = 711,565,519.90/30,857.32
6. Step 6: Final answer
   x = 23,059.86