Finding the Fourth Proportional to 39,873.34, 55,025.49 and 22,878.34

Step by Step Solution

1. Step 1: Write the proportion equation
   39,873.34 : 55,025.49 = 22,878.34 : x
2. Step 2: Convert to fraction form
   39,873.34/55,025.49 = 22,878.34/x
3. Step 3: Cross multiply
   39,873.34x = 55,025.49 × 22,878.34
4. Step 4: Simplify right side
   39,873.34x = 1,258,891,868.89
5. Step 5: Solve for x
   x = 1,258,891,868.89/39,873.34
6. Step 6: Final answer
   x = 31,572.27