Finding the Fourth Proportional to 49,255.48, 67,994.94 and 31,375

Step by Step Solution

1. Step 1: Write the proportion equation
   49,255.48 : 67,994.94 = 31,375 : x
2. Step 2: Convert to fraction form
   49,255.48/67,994.94 = 31,375/x
3. Step 3: Cross multiply
   49,255.48x = 67,994.94 × 31,375
4. Step 4: Simplify right side
   49,255.48x = 2,133,341,242.50
5. Step 5: Solve for x
   x = 2,133,341,242.50/49,255.48
6. Step 6: Final answer
   x = 43,311.75