Finding the Fourth Proportional to 50,471.33, 69,649.88 and 28,667.45

Step by Step Solution

1. Step 1: Write the proportion equation
   50,471.33 : 69,649.88 = 28,667.45 : x
2. Step 2: Convert to fraction form
   50,471.33/69,649.88 = 28,667.45/x
3. Step 3: Cross multiply
   50,471.33x = 69,649.88 × 28,667.45
4. Step 4: Simplify right side
   50,471.33x = 1,996,684,452.41
5. Step 5: Solve for x
   x = 1,996,684,452.41/50,471.33
6. Step 6: Final answer
   x = 39,560.77