Finding the Fourth Proportional to 23,168.31, 31,969.40 and 16,451.48

Step by Step Solution

1. Step 1: Write the proportion equation
   23,168.31 : 31,969.40 = 16,451.48 : x
2. Step 2: Convert to fraction form
   23,168.31/31,969.40 = 16,451.48/x
3. Step 3: Cross multiply
   23,168.31x = 31,969.40 × 16,451.48
4. Step 4: Simplify right side
   23,168.31x = 525,944,034.92
5. Step 5: Solve for x
   x = 525,944,034.92/23,168.31
6. Step 6: Final answer
   x = 22,701.01