Finding the Fourth Proportional to 65,241.96, 90,077.27 and 50,107.57

Step by Step Solution

1. Step 1: Write the proportion equation
   65,241.96 : 90,077.27 = 50,107.57 : x
2. Step 2: Convert to fraction form
   65,241.96/90,077.27 = 50,107.57/x
3. Step 3: Cross multiply
   65,241.96x = 90,077.27 × 50,107.57
4. Step 4: Simplify right side
   65,241.96x = 4,513,552,889.55
5. Step 5: Solve for x
   x = 4,513,552,889.55/65,241.96
6. Step 6: Final answer
   x = 69,181.75