Finding the Fourth Proportional to 34,520.67, 51,789.42 and 12,028.23

Step by Step Solution

1. Step 1: Write the proportion equation
   34,520.67 : 51,789.42 = 12,028.23 : x
2. Step 2: Convert to fraction form
   34,520.67/51,789.42 = 12,028.23/x
3. Step 3: Cross multiply
   34,520.67x = 51,789.42 × 12,028.23
4. Step 4: Simplify right side
   34,520.67x = 622,935,055.33
5. Step 5: Solve for x
   x = 622,935,055.33/34,520.67
6. Step 6: Final answer
   x = 18,045.28