Finding the Fourth Proportional to 6,233.89, 8,601.78 and 4,978.39

Step by Step Solution

1. Step 1: Write the proportion equation
   6,233.89 : 8,601.78 = 4,978.39 : x
2. Step 2: Convert to fraction form
   6,233.89/8,601.78 = 4,978.39/x
3. Step 3: Cross multiply
   6,233.89x = 8,601.78 × 4,978.39
4. Step 4: Simplify right side
   6,233.89x = 42,823,015.53
5. Step 5: Solve for x
   x = 42,823,015.53/6,233.89
6. Step 6: Final answer
   x = 6,869.39