Finding the Fourth Proportional to 22,856.01, 31,544.21 and 12,785.01

Step by Step Solution

1. Step 1: Write the proportion equation
   22,856.01 : 31,544.21 = 12,785.01 : x
2. Step 2: Convert to fraction form
   22,856.01/31,544.21 = 12,785.01/x
3. Step 3: Cross multiply
   22,856.01x = 31,544.21 × 12,785.01
4. Step 4: Simplify right side
   22,856.01x = 403,293,040.29
5. Step 5: Solve for x
   x = 403,293,040.29/22,856.01
6. Step 6: Final answer
   x = 17,644.95