Finding the Fourth Proportional to 55,101.22, 82,620.72 and 50,399.17

Step by Step Solution

1. Step 1: Write the proportion equation
   55,101.22 : 82,620.72 = 50,399.17 : x
2. Step 2: Convert to fraction form
   55,101.22/82,620.72 = 50,399.17/x
3. Step 3: Cross multiply
   55,101.22x = 82,620.72 × 50,399.17
4. Step 4: Simplify right side
   55,101.22x = 4,164,015,506.25
5. Step 5: Solve for x
   x = 4,164,015,506.25/55,101.22
6. Step 6: Final answer
   x = 75,570.30