Finding the Fourth Proportional to 22,789.00, 31,448.76 and 12,717.33

Step by Step Solution

1. Step 1: Write the proportion equation
   22,789.00 : 31,448.76 = 12,717.33 : x
2. Step 2: Convert to fraction form
   22,789.00/31,448.76 = 12,717.33/x
3. Step 3: Cross multiply
   22,789.00x = 31,448.76 × 12,717.33
4. Step 4: Simplify right side
   22,789.00x = 399,944,181.84
5. Step 5: Solve for x
   x = 399,944,181.84/22,789.00
6. Step 6: Final answer
   x = 17,549.88