Finding the Fourth Proportional to 5,594.79, 7,721.42 and 3,499.59

Step by Step Solution

1. Step 1: Write the proportion equation
   5,594.79 : 7,721.42 = 3,499.59 : x
2. Step 2: Convert to fraction form
   5,594.79/7,721.42 = 3,499.59/x
3. Step 3: Cross multiply
   5,594.79x = 7,721.42 × 3,499.59
4. Step 4: Simplify right side
   5,594.79x = 27,021,786.72
5. Step 5: Solve for x
   x = 27,021,786.72/5,594.79
6. Step 6: Final answer
   x = 4,829.81