Finding the Fourth Proportional to 50,077.14, 69,106.50 and 31,214.28

Step by Step Solution

1. Step 1: Write the proportion equation
   50,077.14 : 69,106.50 = 31,214.28 : x
2. Step 2: Convert to fraction form
   50,077.14/69,106.50 = 31,214.28/x
3. Step 3: Cross multiply
   50,077.14x = 69,106.50 × 31,214.28
4. Step 4: Simplify right side
   50,077.14x = 2,157,109,640.82
5. Step 5: Solve for x
   x = 2,157,109,640.82/50,077.14
6. Step 6: Final answer
   x = 43,075.74