Finding the Fourth Proportional to 50,947.60, 76,396.82 and 21,357.49

Step by Step Solution

1. Step 1: Write the proportion equation
   50,947.60 : 76,396.82 = 21,357.49 : x
2. Step 2: Convert to fraction form
   50,947.60/76,396.82 = 21,357.49/x
3. Step 3: Cross multiply
   50,947.60x = 76,396.82 × 21,357.49
4. Step 4: Simplify right side
   50,947.60x = 1,631,644,284.78
5. Step 5: Solve for x
   x = 1,631,644,284.78/50,947.60
6. Step 6: Final answer
   x = 32,025.93