Finding the Fourth Proportional to 30,862.42, 42,590.15 and 16,715.27

Step by Step Solution

1. Step 1: Write the proportion equation
   30,862.42 : 42,590.15 = 16,715.27 : x
2. Step 2: Convert to fraction form
   30,862.42/42,590.15 = 16,715.27/x
3. Step 3: Cross multiply
   30,862.42x = 42,590.15 × 16,715.27
4. Step 4: Simplify right side
   30,862.42x = 711,905,856.59
5. Step 5: Solve for x
   x = 711,905,856.59/30,862.42
6. Step 6: Final answer
   x = 23,067.08