Finding the Fourth Proportional to 16,673.22, 23,017.37 and 12,887.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,673.22 : 23,017.37 = 12,887.82 : x
2. Step 2: Convert to fraction form
   16,673.22/23,017.37 = 12,887.82/x
3. Step 3: Cross multiply
   16,673.22x = 23,017.37 × 12,887.82
4. Step 4: Simplify right side
   16,673.22x = 296,643,656.99
5. Step 5: Solve for x
   x = 296,643,656.99/16,673.22
6. Step 6: Final answer
   x = 17,791.62