Finding the Fourth Proportional to 23,177.86, 31,985.22 and 12,567.31

Step by Step Solution

1. Step 1: Write the proportion equation
   23,177.86 : 31,985.22 = 12,567.31 : x
2. Step 2: Convert to fraction form
   23,177.86/31,985.22 = 12,567.31/x
3. Step 3: Cross multiply
   23,177.86x = 31,985.22 × 12,567.31
4. Step 4: Simplify right side
   23,177.86x = 401,968,175.16
5. Step 5: Solve for x
   x = 401,968,175.16/23,177.86
6. Step 6: Final answer
   x = 17,342.76