Finding the Fourth Proportional to 3,613.31, 4,980.58 and 2,727.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,613.31 : 4,980.58 = 2,727.57 : x
2. Step 2: Convert to fraction form
   3,613.31/4,980.58 = 2,727.57/x
3. Step 3: Cross multiply
   3,613.31x = 4,980.58 × 2,727.57
4. Step 4: Simplify right side
   3,613.31x = 13,584,892.45
5. Step 5: Solve for x
   x = 13,584,892.45/3,613.31
6. Step 6: Final answer
   x = 3,759.68