Finding the Fourth Proportional to 51,500.56, 76,864.71 and 48,137.56

Step by Step Solution

1. Step 1: Write the proportion equation
   51,500.56 : 76,864.71 = 48,137.56 : x
2. Step 2: Convert to fraction form
   51,500.56/76,864.71 = 48,137.56/x
3. Step 3: Cross multiply
   51,500.56x = 76,864.71 × 48,137.56
4. Step 4: Simplify right side
   51,500.56x = 3,700,079,589.51
5. Step 5: Solve for x
   x = 3,700,079,589.51/51,500.56
6. Step 6: Final answer
   x = 71,845.42