Finding the Fourth Proportional to 7,978.39, 11,010.34 and 4,441.83

Step by Step Solution

1. Step 1: Write the proportion equation
   7,978.39 : 11,010.34 = 4,441.83 : x
2. Step 2: Convert to fraction form
   7,978.39/11,010.34 = 4,441.83/x
3. Step 3: Cross multiply
   7,978.39x = 11,010.34 × 4,441.83
4. Step 4: Simplify right side
   7,978.39x = 48,906,058.52
5. Step 5: Solve for x
   x = 48,906,058.52/7,978.39
6. Step 6: Final answer
   x = 6,129.82