Finding the Fourth Proportional to 59,365.72, 81,822.18 and 51,764.68

Step by Step Solution

1. Step 1: Write the proportion equation
   59,365.72 : 81,822.18 = 51,764.68 : x
2. Step 2: Convert to fraction form
   59,365.72/81,822.18 = 51,764.68/x
3. Step 3: Cross multiply
   59,365.72x = 81,822.18 × 51,764.68
4. Step 4: Simplify right side
   59,365.72x = 4,235,498,964.60
5. Step 5: Solve for x
   x = 4,235,498,964.60/59,365.72
6. Step 6: Final answer
   x = 71,345.87