Finding the Fourth Proportional to 30,856.32, 42,581.58 and 16,709.10

Step by Step Solution

1. Step 1: Write the proportion equation
   30,856.32 : 42,581.58 = 16,709.10 : x
2. Step 2: Convert to fraction form
   30,856.32/42,581.58 = 16,709.10/x
3. Step 3: Cross multiply
   30,856.32x = 42,581.58 × 16,709.10
4. Step 4: Simplify right side
   30,856.32x = 711,499,878.38
5. Step 5: Solve for x
   x = 711,499,878.38/30,856.32
6. Step 6: Final answer
   x = 23,058.48