Finding the Fourth Proportional to 5,867.36, 8,093.93 and 3,978.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,867.36 : 8,093.93 = 3,978.30 : x
2. Step 2: Convert to fraction form
   5,867.36/8,093.93 = 3,978.30/x
3. Step 3: Cross multiply
   5,867.36x = 8,093.93 × 3,978.30
4. Step 4: Simplify right side
   5,867.36x = 32,200,061.83
5. Step 5: Solve for x
   x = 32,200,061.83/5,867.36
6. Step 6: Final answer
   x = 5,488.00