Finding the Fourth Proportional to 39,894.32, 55,038.72 and 22,892.42

Step by Step Solution

1. Step 1: Write the proportion equation
   39,894.32 : 55,038.72 = 22,892.42 : x
2. Step 2: Convert to fraction form
   39,894.32/55,038.72 = 22,892.42/x
3. Step 3: Cross multiply
   39,894.32x = 55,038.72 × 22,892.42
4. Step 4: Simplify right side
   39,894.32x = 1,259,969,632.10
5. Step 5: Solve for x
   x = 1,259,969,632.10/39,894.32
6. Step 6: Final answer
   x = 31,582.68