Finding the Fourth Proportional to 51,056.46, 70,453.82 and 28,395.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,056.46 : 70,453.82 = 28,395.50 : x
2. Step 2: Convert to fraction form
   51,056.46/70,453.82 = 28,395.50/x
3. Step 3: Cross multiply
   51,056.46x = 70,453.82 × 28,395.50
4. Step 4: Simplify right side
   51,056.46x = 2,000,571,164.53
5. Step 5: Solve for x
   x = 2,000,571,164.53/51,056.46
6. Step 6: Final answer
   x = 39,183.51