Finding the Fourth Proportional to 34,456.59, 51,919.34 and 28,353.48

Step by Step Solution

1. Step 1: Write the proportion equation
   34,456.59 : 51,919.34 = 28,353.48 : x
2. Step 2: Convert to fraction form
   34,456.59/51,919.34 = 28,353.48/x
3. Step 3: Cross multiply
   34,456.59x = 51,919.34 × 28,353.48
4. Step 4: Simplify right side
   34,456.59x = 1,472,093,826.54
5. Step 5: Solve for x
   x = 1,472,093,826.54/34,456.59
6. Step 6: Final answer
   x = 42,723.14