Finding the Fourth Proportional to 6,513.78, 9,774.18 and 4,323.54

Step by Step Solution

1. Step 1: Write the proportion equation
   6,513.78 : 9,774.18 = 4,323.54 : x
2. Step 2: Convert to fraction form
   6,513.78/9,774.18 = 4,323.54/x
3. Step 3: Cross multiply
   6,513.78x = 9,774.18 × 4,323.54
4. Step 4: Simplify right side
   6,513.78x = 42,259,058.20
5. Step 5: Solve for x
   x = 42,259,058.20/6,513.78
6. Step 6: Final answer
   x = 6,487.64