Finding the Fourth Proportional to 51,085.42, 70,498.24 and 28,425.38

Step by Step Solution

1. Step 1: Write the proportion equation
   51,085.42 : 70,498.24 = 28,425.38 : x
2. Step 2: Convert to fraction form
   51,085.42/70,498.24 = 28,425.38/x
3. Step 3: Cross multiply
   51,085.42x = 70,498.24 × 28,425.38
4. Step 4: Simplify right side
   51,085.42x = 2,003,939,261.33
5. Step 5: Solve for x
   x = 2,003,939,261.33/51,085.42
6. Step 6: Final answer
   x = 39,227.22