Finding the Fourth Proportional to 55,104.48, 82,805.76 and 28,828.62

Step by Step Solution

1. Step 1: Write the proportion equation
   55,104.48 : 82,805.76 = 28,828.62 : x
2. Step 2: Convert to fraction form
   55,104.48/82,805.76 = 28,828.62/x
3. Step 3: Cross multiply
   55,104.48x = 82,805.76 × 28,828.62
4. Step 4: Simplify right side
   55,104.48x = 2,387,175,788.85
5. Step 5: Solve for x
   x = 2,387,175,788.85/55,104.48
6. Step 6: Final answer
   x = 43,320.90