Finding the Fourth Proportional to 49,296, 68,028.48 and 31,662.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,296 : 68,028.48 = 31,662.72 : x
2. Step 2: Convert to fraction form
   49,296/68,028.48 = 31,662.72/x
3. Step 3: Cross multiply
   49,296x = 68,028.48 × 31,662.72
4. Step 4: Simplify right side
   49,296x = 2,153,966,714.27
5. Step 5: Solve for x
   x = 2,153,966,714.27/49,296
6. Step 6: Final answer
   x = 43,694.55