Finding the Fourth Proportional to 31,616.55, 47,410.56 and 16,822.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,616.55 : 47,410.56 = 16,822.31 : x
2. Step 2: Convert to fraction form
   31,616.55/47,410.56 = 16,822.31/x
3. Step 3: Cross multiply
   31,616.55x = 47,410.56 × 16,822.31
4. Step 4: Simplify right side
   31,616.55x = 797,554,900.54
5. Step 5: Solve for x
   x = 797,554,900.54/31,616.55
6. Step 6: Final answer
   x = 25,225.87