Finding the Fourth Proportional to 31,709.34, 47,571.03 and 10,650.15

Step by Step Solution

1. Step 1: Write the proportion equation
   31,709.34 : 47,571.03 = 10,650.15 : x
2. Step 2: Convert to fraction form
   31,709.34/47,571.03 = 10,650.15/x
3. Step 3: Cross multiply
   31,709.34x = 47,571.03 × 10,650.15
4. Step 4: Simplify right side
   31,709.34x = 506,638,605.15
5. Step 5: Solve for x
   x = 506,638,605.15/31,709.34
6. Step 6: Final answer
   x = 15,977.58