Finding the Fourth Proportional to 51,256.42, 70,733.89 and 28,595.41

Step by Step Solution

1. Step 1: Write the proportion equation
   51,256.42 : 70,733.89 = 28,595.41 : x
2. Step 2: Convert to fraction form
   51,256.42/70,733.89 = 28,595.41/x
3. Step 3: Cross multiply
   51,256.42x = 70,733.89 × 28,595.41
4. Step 4: Simplify right side
   51,256.42x = 2,022,664,337.12
5. Step 5: Solve for x
   x = 2,022,664,337.12/51,256.42
6. Step 6: Final answer
   x = 39,461.68