Finding the Fourth Proportional to 50,434.60, 69,598.50 and 28,078.12

Step by Step Solution

1. Step 1: Write the proportion equation
   50,434.60 : 69,598.50 = 28,078.12 : x
2. Step 2: Convert to fraction form
   50,434.60/69,598.50 = 28,078.12/x
3. Step 3: Cross multiply
   50,434.60x = 69,598.50 × 28,078.12
4. Step 4: Simplify right side
   50,434.60x = 1,954,195,034.82
5. Step 5: Solve for x
   x = 1,954,195,034.82/50,434.60
6. Step 6: Final answer
   x = 38,747.11