Finding the Fourth Proportional to 114,243.76, 171,360.72 and 31,137.76

Step by Step Solution

1. Step 1: Write the proportion equation
   114,243.76 : 171,360.72 = 31,137.76 : x
2. Step 2: Convert to fraction form
   114,243.76/171,360.72 = 31,137.76/x
3. Step 3: Cross multiply
   114,243.76x = 171,360.72 × 31,137.76
4. Step 4: Simplify right side
   114,243.76x = 5,335,788,972.79
5. Step 5: Solve for x
   x = 5,335,788,972.79/114,243.76
6. Step 6: Final answer
   x = 46,705.30