Finding the Fourth Proportional to 50,097.39, 69,140.79 and 28,876.80

Step by Step Solution

1. Step 1: Write the proportion equation
   50,097.39 : 69,140.79 = 28,876.80 : x
2. Step 2: Convert to fraction form
   50,097.39/69,140.79 = 28,876.80/x
3. Step 3: Cross multiply
   50,097.39x = 69,140.79 × 28,876.80
4. Step 4: Simplify right side
   50,097.39x = 1,996,565,023.95
5. Step 5: Solve for x
   x = 1,996,565,023.95/50,097.39
6. Step 6: Final answer
   x = 39,853.68