Finding the Fourth Proportional to 50,978.25, 76,473.86 and 14,042.25

Step by Step Solution

1. Step 1: Write the proportion equation
   50,978.25 : 76,473.86 = 14,042.25 : x
2. Step 2: Convert to fraction form
   50,978.25/76,473.86 = 14,042.25/x
3. Step 3: Cross multiply
   50,978.25x = 76,473.86 × 14,042.25
4. Step 4: Simplify right side
   50,978.25x = 1,073,864,990.37
5. Step 5: Solve for x
   x = 1,073,864,990.37/50,978.25
6. Step 6: Final answer
   x = 21,065.16