Finding the Fourth Proportional to 51,648.96, 71,310.78 and 34,678.56

Step by Step Solution

1. Step 1: Write the proportion equation
   51,648.96 : 71,310.78 = 34,678.56 : x
2. Step 2: Convert to fraction form
   51,648.96/71,310.78 = 34,678.56/x
3. Step 3: Cross multiply
   51,648.96x = 71,310.78 × 34,678.56
4. Step 4: Simplify right side
   51,648.96x = 2,472,955,162.88
5. Step 5: Solve for x
   x = 2,472,955,162.88/51,648.96
6. Step 6: Final answer
   x = 47,880.06