Finding the Fourth Proportional to 6,300.78, 9,447.99 and 3,669.13

Step by Step Solution

1. Step 1: Write the proportion equation
   6,300.78 : 9,447.99 = 3,669.13 : x
2. Step 2: Convert to fraction form
   6,300.78/9,447.99 = 3,669.13/x
3. Step 3: Cross multiply
   6,300.78x = 9,447.99 × 3,669.13
4. Step 4: Simplify right side
   6,300.78x = 34,665,903.55
5. Step 5: Solve for x
   x = 34,665,903.55/6,300.78
6. Step 6: Final answer
   x = 5,501.84