Finding the Fourth Proportional to 51,518.61, 71,096.85 and 28,859.27

Step by Step Solution

1. Step 1: Write the proportion equation
   51,518.61 : 71,096.85 = 28,859.27 : x
2. Step 2: Convert to fraction form
   51,518.61/71,096.85 = 28,859.27/x
3. Step 3: Cross multiply
   51,518.61x = 71,096.85 × 28,859.27
4. Step 4: Simplify right side
   51,518.61x = 2,051,802,834.82
5. Step 5: Solve for x
   x = 2,051,802,834.82/51,518.61
6. Step 6: Final answer
   x = 39,826.44