Finding the Fourth Proportional to 51,142.72, 76,726.80 and 50,295.12

Step by Step Solution

1. Step 1: Write the proportion equation
   51,142.72 : 76,726.80 = 50,295.12 : x
2. Step 2: Convert to fraction form
   51,142.72/76,726.80 = 50,295.12/x
3. Step 3: Cross multiply
   51,142.72x = 76,726.80 × 50,295.12
4. Step 4: Simplify right side
   51,142.72x = 3,858,983,613.22
5. Step 5: Solve for x
   x = 3,858,983,613.22/51,142.72
6. Step 6: Final answer
   x = 75,455.19