Finding the Fourth Proportional to 23,160.24, 31,961.16 and 12,549.96

Step by Step Solution

1. Step 1: Write the proportion equation
   23,160.24 : 31,961.16 = 12,549.96 : x
2. Step 2: Convert to fraction form
   23,160.24/31,961.16 = 12,549.96/x
3. Step 3: Cross multiply
   23,160.24x = 31,961.16 × 12,549.96
4. Step 4: Simplify right side
   23,160.24x = 401,111,279.55
5. Step 5: Solve for x
   x = 401,111,279.55/23,160.24
6. Step 6: Final answer
   x = 17,318.96