Finding the Fourth Proportional to 3,799.59, 5,664.16 and 3,739.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,799.59 : 5,664.16 = 3,739.62 : x
2. Step 2: Convert to fraction form
   3,799.59/5,664.16 = 3,739.62/x
3. Step 3: Cross multiply
   3,799.59x = 5,664.16 × 3,739.62
4. Step 4: Simplify right side
   3,799.59x = 21,181,806.02
5. Step 5: Solve for x
   x = 21,181,806.02/3,799.59
6. Step 6: Final answer
   x = 5,574.76