Finding the Fourth Proportional to 77,399.42, 106,833.87 and 50,546.09

Step by Step Solution

1. Step 1: Write the proportion equation
   77,399.42 : 106,833.87 = 50,546.09 : x
2. Step 2: Convert to fraction form
   77,399.42/106,833.87 = 50,546.09/x
3. Step 3: Cross multiply
   77,399.42x = 106,833.87 × 50,546.09
4. Step 4: Simplify right side
   77,399.42x = 5,400,034,675.15
5. Step 5: Solve for x
   x = 5,400,034,675.15/77,399.42
6. Step 6: Final answer
   x = 69,768.42