Finding the Fourth Proportional to 6,280.38, 8,667.34 and 3,485.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,280.38 : 8,667.34 = 3,485.88 : x
2. Step 2: Convert to fraction form
   6,280.38/8,667.34 = 3,485.88/x
3. Step 3: Cross multiply
   6,280.38x = 8,667.34 × 3,485.88
4. Step 4: Simplify right side
   6,280.38x = 30,213,307.16
5. Step 5: Solve for x
   x = 30,213,307.16/6,280.38
6. Step 6: Final answer
   x = 4,810.75