Finding the Fourth Proportional to 102,481.98, 153,745.72 and 31,414.48

Step by Step Solution

1. Step 1: Write the proportion equation
   102,481.98 : 153,745.72 = 31,414.48 : x
2. Step 2: Convert to fraction form
   102,481.98/153,745.72 = 31,414.48/x
3. Step 3: Cross multiply
   102,481.98x = 153,745.72 × 31,414.48
4. Step 4: Simplify right side
   102,481.98x = 4,829,841,846.03
5. Step 5: Solve for x
   x = 4,829,841,846.03/102,481.98
6. Step 6: Final answer
   x = 47,128.69