Finding the Fourth Proportional to 51,185.38, 70,635.89 and 28,523.87

Step by Step Solution

1. Step 1: Write the proportion equation
   51,185.38 : 70,635.89 = 28,523.87 : x
2. Step 2: Convert to fraction form
   51,185.38/70,635.89 = 28,523.87/x
3. Step 3: Cross multiply
   51,185.38x = 70,635.89 × 28,523.87
4. Step 4: Simplify right side
   51,185.38x = 2,014,809,324.04
5. Step 5: Solve for x
   x = 2,014,809,324.04/51,185.38
6. Step 6: Final answer
   x = 39,362.98