Finding the Fourth Proportional to 3,849.76, 5,798.87 and 3,505.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,849.76 : 5,798.87 = 3,505.28 : x
2. Step 2: Convert to fraction form
   3,849.76/5,798.87 = 3,505.28/x
3. Step 3: Cross multiply
   3,849.76x = 5,798.87 × 3,505.28
4. Step 4: Simplify right side
   3,849.76x = 20,326,663.03
5. Step 5: Solve for x
   x = 20,326,663.03/3,849.76
6. Step 6: Final answer
   x = 5,279.98