Finding the Fourth Proportional to 51,324.77, 70,835.31 and 28,665.23

Step by Step Solution

1. Step 1: Write the proportion equation
   51,324.77 : 70,835.31 = 28,665.23 : x
2. Step 2: Convert to fraction form
   51,324.77/70,835.31 = 28,665.23/x
3. Step 3: Cross multiply
   51,324.77x = 70,835.31 × 28,665.23
4. Step 4: Simplify right side
   51,324.77x = 2,030,510,099.09
5. Step 5: Solve for x
   x = 2,030,510,099.09/51,324.77
6. Step 6: Final answer
   x = 39,561.99