Finding the Fourth Proportional to 6,618.50, 9,133.69 and 3,634.55

Step by Step Solution

1. Step 1: Write the proportion equation
   6,618.50 : 9,133.69 = 3,634.55 : x
2. Step 2: Convert to fraction form
   6,618.50/9,133.69 = 3,634.55/x
3. Step 3: Cross multiply
   6,618.50x = 9,133.69 × 3,634.55
4. Step 4: Simplify right side
   6,618.50x = 33,196,866.74
5. Step 5: Solve for x
   x = 33,196,866.74/6,618.50
6. Step 6: Final answer
   x = 5,015.77