Finding the Fourth Proportional to 3,667.59, 5,065.46 and 2,486.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.59 : 5,065.46 = 2,486.61 : x
2. Step 2: Convert to fraction form
   3,667.59/5,065.46 = 2,486.61/x
3. Step 3: Cross multiply
   3,667.59x = 5,065.46 × 2,486.61
4. Step 4: Simplify right side
   3,667.59x = 12,595,811.06
5. Step 5: Solve for x
   x = 12,595,811.06/3,667.59
6. Step 6: Final answer
   x = 3,434.36