Finding the Fourth Proportional to 5,971.05, 8,246.98 and 3,978.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,971.05 : 8,246.98 = 3,978.15 : x
2. Step 2: Convert to fraction form
   5,971.05/8,246.98 = 3,978.15/x
3. Step 3: Cross multiply
   5,971.05x = 8,246.98 × 3,978.15
4. Step 4: Simplify right side
   5,971.05x = 32,807,697.53
5. Step 5: Solve for x
   x = 32,807,697.53/5,971.05
6. Step 6: Final answer
   x = 5,494.46