Finding the Fourth Proportional to 50,550.77, 69,760.72 and 27,890.69

Step by Step Solution

1. Step 1: Write the proportion equation
   50,550.77 : 69,760.72 = 27,890.69 : x
2. Step 2: Convert to fraction form
   50,550.77/69,760.72 = 27,890.69/x
3. Step 3: Cross multiply
   50,550.77x = 69,760.72 × 27,890.69
4. Step 4: Simplify right side
   50,550.77x = 1,945,674,197.17
5. Step 5: Solve for x
   x = 1,945,674,197.17/50,550.77
6. Step 6: Final answer
   x = 38,489.51