Finding the Fourth Proportional to 39,863.34, 55,011.69 and 22,868.33

Step by Step Solution

1. Step 1: Write the proportion equation
   39,863.34 : 55,011.69 = 22,868.33 : x
2. Step 2: Convert to fraction form
   39,863.34/55,011.69 = 22,868.33/x
3. Step 3: Cross multiply
   39,863.34x = 55,011.69 × 22,868.33
4. Step 4: Simplify right side
   39,863.34x = 1,258,025,205.72
5. Step 5: Solve for x
   x = 1,258,025,205.72/39,863.34
6. Step 6: Final answer
   x = 31,558.45