Finding the Fourth Proportional to 50,938, 76,437.72 and 21,754

Step by Step Solution

1. Step 1: Write the proportion equation
   50,938 : 76,437.72 = 21,754 : x
2. Step 2: Convert to fraction form
   50,938/76,437.72 = 21,754/x
3. Step 3: Cross multiply
   50,938x = 76,437.72 × 21,754
4. Step 4: Simplify right side
   50,938x = 1,662,826,160.88
5. Step 5: Solve for x
   x = 1,662,826,160.88/50,938
6. Step 6: Final answer
   x = 32,644.12