Finding the Fourth Proportional to 5,505.49, 7,591.89 and 3,828.79

Step by Step Solution

1. Step 1: Write the proportion equation
   5,505.49 : 7,591.89 = 3,828.79 : x
2. Step 2: Convert to fraction form
   5,505.49/7,591.89 = 3,828.79/x
3. Step 3: Cross multiply
   5,505.49x = 7,591.89 × 3,828.79
4. Step 4: Simplify right side
   5,505.49x = 29,067,752.51
5. Step 5: Solve for x
   x = 29,067,752.51/5,505.49
6. Step 6: Final answer
   x = 5,279.78