Finding the Fourth Proportional to 23,160.22, 31,961.26 and 12,549.94

Step by Step Solution

1. Step 1: Write the proportion equation
   23,160.22 : 31,961.26 = 12,549.94 : x
2. Step 2: Convert to fraction form
   23,160.22/31,961.26 = 12,549.94/x
3. Step 3: Cross multiply
   23,160.22x = 31,961.26 × 12,549.94
4. Step 4: Simplify right side
   23,160.22x = 401,111,895.32
5. Step 5: Solve for x
   x = 401,111,895.32/23,160.22
6. Step 6: Final answer
   x = 17,319.00