Finding the Fourth Proportional to 5,978.25, 8,249.99 and 3,494.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978.25 : 8,249.99 = 3,494.25 : x
2. Step 2: Convert to fraction form
   5,978.25/8,249.99 = 3,494.25/x
3. Step 3: Cross multiply
   5,978.25x = 8,249.99 × 3,494.25
4. Step 4: Simplify right side
   5,978.25x = 28,827,510.09
5. Step 5: Solve for x
   x = 28,827,510.09/5,978.25
6. Step 6: Final answer
   x = 4,822.07