Finding the Fourth Proportional to 50,167.35, 69,255 and 40,085.28

Step by Step Solution

1. Step 1: Write the proportion equation
   50,167.35 : 69,255 = 40,085.28 : x
2. Step 2: Convert to fraction form
   50,167.35/69,255 = 40,085.28/x
3. Step 3: Cross multiply
   50,167.35x = 69,255 × 40,085.28
4. Step 4: Simplify right side
   50,167.35x = 2,776,106,066.40
5. Step 5: Solve for x
   x = 2,776,106,066.40/50,167.35
6. Step 6: Final answer
   x = 55,336.91