Finding the Fourth Proportional to 6,280.16, 8,667.36 and 3,485.84

Step by Step Solution

1. Step 1: Write the proportion equation
   6,280.16 : 8,667.36 = 3,485.84 : x
2. Step 2: Convert to fraction form
   6,280.16/8,667.36 = 3,485.84/x
3. Step 3: Cross multiply
   6,280.16x = 8,667.36 × 3,485.84
4. Step 4: Simplify right side
   6,280.16x = 30,213,030.18
5. Step 5: Solve for x
   x = 30,213,030.18/6,280.16
6. Step 6: Final answer
   x = 4,810.87