Finding the Fourth Proportional to 39,962.86, 55,144.82 and 22,056.71

Step by Step Solution

1. Step 1: Write the proportion equation
   39,962.86 : 55,144.82 = 22,056.71 : x
2. Step 2: Convert to fraction form
   39,962.86/55,144.82 = 22,056.71/x
3. Step 3: Cross multiply
   39,962.86x = 55,144.82 × 22,056.71
4. Step 4: Simplify right side
   39,962.86x = 1,216,313,302.74
5. Step 5: Solve for x
   x = 1,216,313,302.74/39,962.86
6. Step 6: Final answer
   x = 30,436.09