Finding the Fourth Proportional to 67,561.92, 101,408.22 and 49,978.44

Step by Step Solution

1. Step 1: Write the proportion equation
   67,561.92 : 101,408.22 = 49,978.44 : x
2. Step 2: Convert to fraction form
   67,561.92/101,408.22 = 49,978.44/x
3. Step 3: Cross multiply
   67,561.92x = 101,408.22 × 49,978.44
4. Step 4: Simplify right side
   67,561.92x = 5,068,224,638.78
5. Step 5: Solve for x
   x = 5,068,224,638.78/67,561.92
6. Step 6: Final answer
   x = 75,015.99