Finding the Fourth Proportional to 3,705.28, 5,549.69 and 2,662.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,705.28 : 5,549.69 = 2,662.15 : x
2. Step 2: Convert to fraction form
   3,705.28/5,549.69 = 2,662.15/x
3. Step 3: Cross multiply
   3,705.28x = 5,549.69 × 2,662.15
4. Step 4: Simplify right side
   3,705.28x = 14,774,107.23
5. Step 5: Solve for x
   x = 14,774,107.23/3,705.28
6. Step 6: Final answer
   x = 3,987.31