Finding the Fourth Proportional to 23,161.49, 31,962.86 and 12,551.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,161.49 : 31,962.86 = 12,551.12 : x
2. Step 2: Convert to fraction form
   23,161.49/31,962.86 = 12,551.12/x
3. Step 3: Cross multiply
   23,161.49x = 31,962.86 × 12,551.12
4. Step 4: Simplify right side
   23,161.49x = 401,169,468.83
5. Step 5: Solve for x
   x = 401,169,468.83/23,161.49
6. Step 6: Final answer
   x = 17,320.54