Finding the Fourth Proportional to 34,078.50, 51,128.17 and 17,450.30

Step by Step Solution

1. Step 1: Write the proportion equation
   34,078.50 : 51,128.17 = 17,450.30 : x
2. Step 2: Convert to fraction form
   34,078.50/51,128.17 = 17,450.30/x
3. Step 3: Cross multiply
   34,078.50x = 51,128.17 × 17,450.30
4. Step 4: Simplify right side
   34,078.50x = 892,201,896.15
5. Step 5: Solve for x
   x = 892,201,896.15/34,078.50
6. Step 6: Final answer
   x = 26,180.79