Finding the Fourth Proportional to 39,796.24, 54,912.72 and 23,026

Step by Step Solution

1. Step 1: Write the proportion equation
   39,796.24 : 54,912.72 = 23,026 : x
2. Step 2: Convert to fraction form
   39,796.24/54,912.72 = 23,026/x
3. Step 3: Cross multiply
   39,796.24x = 54,912.72 × 23,026
4. Step 4: Simplify right side
   39,796.24x = 1,264,420,290.72
5. Step 5: Solve for x
   x = 1,264,420,290.72/39,796.24
6. Step 6: Final answer
   x = 31,772.36