Finding the Fourth Proportional to 22,827.24, 31,498.92 and 12,756.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,827.24 : 31,498.92 = 12,756.12 : x
2. Step 2: Convert to fraction form
   22,827.24/31,498.92 = 12,756.12/x
3. Step 3: Cross multiply
   22,827.24x = 31,498.92 × 12,756.12
4. Step 4: Simplify right side
   22,827.24x = 401,804,003.39
5. Step 5: Solve for x
   x = 401,804,003.39/22,827.24
6. Step 6: Final answer
   x = 17,601.95