Finding the Fourth Proportional to 67,904.10, 101,856.15 and 50,408.10

Step by Step Solution

1. Step 1: Write the proportion equation
   67,904.10 : 101,856.15 = 50,408.10 : x
2. Step 2: Convert to fraction form
   67,904.10/101,856.15 = 50,408.10/x
3. Step 3: Cross multiply
   67,904.10x = 101,856.15 × 50,408.10
4. Step 4: Simplify right side
   67,904.10x = 5,134,374,994.82
5. Step 5: Solve for x
   x = 5,134,374,994.82/67,904.10
6. Step 6: Final answer
   x = 75,612.15