Finding the Fourth Proportional to 5,978.51, 8,250.86 and 3,326.09

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978.51 : 8,250.86 = 3,326.09 : x
2. Step 2: Convert to fraction form
   5,978.51/8,250.86 = 3,326.09/x
3. Step 3: Cross multiply
   5,978.51x = 8,250.86 × 3,326.09
4. Step 4: Simplify right side
   5,978.51x = 27,443,102.94
5. Step 5: Solve for x
   x = 27,443,102.94/5,978.51
6. Step 6: Final answer
   x = 4,590.29