Finding the Fourth Proportional to 77,093.62, 106,406.94 and 50,189.25

Step by Step Solution

1. Step 1: Write the proportion equation
   77,093.62 : 106,406.94 = 50,189.25 : x
2. Step 2: Convert to fraction form
   77,093.62/106,406.94 = 50,189.25/x
3. Step 3: Cross multiply
   77,093.62x = 106,406.94 × 50,189.25
4. Step 4: Simplify right side
   77,093.62x = 5,340,484,513.40
5. Step 5: Solve for x
   x = 5,340,484,513.40/77,093.62
6. Step 6: Final answer
   x = 69,272.72