Finding the Fourth Proportional to 51,103.89, 70,522.79 and 28,442.49

Step by Step Solution

1. Step 1: Write the proportion equation
   51,103.89 : 70,522.79 = 28,442.49 : x
2. Step 2: Convert to fraction form
   51,103.89/70,522.79 = 28,442.49/x
3. Step 3: Cross multiply
   51,103.89x = 70,522.79 × 28,442.49
4. Step 4: Simplify right side
   51,103.89x = 2,005,843,607.13
5. Step 5: Solve for x
   x = 2,005,843,607.13/51,103.89
6. Step 6: Final answer
   x = 39,250.31