Finding the Fourth Proportional to 6,270.90, 8,653.98 and 3,618.46

Step by Step Solution

1. Step 1: Write the proportion equation
   6,270.90 : 8,653.98 = 3,618.46 : x
2. Step 2: Convert to fraction form
   6,270.90/8,653.98 = 3,618.46/x
3. Step 3: Cross multiply
   6,270.90x = 8,653.98 × 3,618.46
4. Step 4: Simplify right side
   6,270.90x = 31,314,080.47
5. Step 5: Solve for x
   x = 31,314,080.47/6,270.90
6. Step 6: Final answer
   x = 4,993.55