Finding the Fourth Proportional to 50,930, 76,425.72 and 21,746

Step by Step Solution

1. Step 1: Write the proportion equation
   50,930 : 76,425.72 = 21,746 : x
2. Step 2: Convert to fraction form
   50,930/76,425.72 = 21,746/x
3. Step 3: Cross multiply
   50,930x = 76,425.72 × 21,746
4. Step 4: Simplify right side
   50,930x = 1,661,953,707.12
5. Step 5: Solve for x
   x = 1,661,953,707.12/50,930
6. Step 6: Final answer
   x = 32,632.12