Finding the Fourth Proportional to 49,910.24, 68,813.88 and 31,975.76

Step by Step Solution

1. Step 1: Write the proportion equation
   49,910.24 : 68,813.88 = 31,975.76 : x
2. Step 2: Convert to fraction form
   49,910.24/68,813.88 = 31,975.76/x
3. Step 3: Cross multiply
   49,910.24x = 68,813.88 × 31,975.76
4. Step 4: Simplify right side
   49,910.24x = 2,200,376,111.55
5. Step 5: Solve for x
   x = 2,200,376,111.55/49,910.24
6. Step 6: Final answer
   x = 44,086.67