Finding the Fourth Proportional to 31,096.80, 46,654.56 and 18,630.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,096.80 : 46,654.56 = 18,630.72 : x
2. Step 2: Convert to fraction form
   31,096.80/46,654.56 = 18,630.72/x
3. Step 3: Cross multiply
   31,096.80x = 46,654.56 × 18,630.72
4. Step 4: Simplify right side
   31,096.80x = 869,208,044.08
5. Step 5: Solve for x
   x = 869,208,044.08/31,096.80
6. Step 6: Final answer
   x = 27,951.69