Finding the Fourth Proportional to 31,635.52, 47,456.52 and 14,103.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,635.52 : 47,456.52 = 14,103.88 : x
2. Step 2: Convert to fraction form
   31,635.52/47,456.52 = 14,103.88/x
3. Step 3: Cross multiply
   31,635.52x = 47,456.52 × 14,103.88
4. Step 4: Simplify right side
   31,635.52x = 669,321,063.30
5. Step 5: Solve for x
   x = 669,321,063.30/31,635.52
6. Step 6: Final answer
   x = 21,157.26