Finding the Fourth Proportional to 31,396.82, 47,122.56 and 16,616.34

Step by Step Solution

1. Step 1: Write the proportion equation
   31,396.82 : 47,122.56 = 16,616.34 : x
2. Step 2: Convert to fraction form
   31,396.82/47,122.56 = 16,616.34/x
3. Step 3: Cross multiply
   31,396.82x = 47,122.56 × 16,616.34
4. Step 4: Simplify right side
   31,396.82x = 783,004,478.63
5. Step 5: Solve for x
   x = 783,004,478.63/31,396.82
6. Step 6: Final answer
   x = 24,938.98