Finding the Fourth Proportional to 51,417.82, 70,956.12 and 28,756.54

Step by Step Solution

1. Step 1: Write the proportion equation
   51,417.82 : 70,956.12 = 28,756.54 : x
2. Step 2: Convert to fraction form
   51,417.82/70,956.12 = 28,756.54/x
3. Step 3: Cross multiply
   51,417.82x = 70,956.12 × 28,756.54
4. Step 4: Simplify right side
   51,417.82x = 2,040,452,503.02
5. Step 5: Solve for x
   x = 2,040,452,503.02/51,417.82
6. Step 6: Final answer
   x = 39,683.76