Finding the Fourth Proportional to 2,729.61, 3,766.86 and 1,487.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,729.61 : 3,766.86 = 1,487.61 : x
2. Step 2: Convert to fraction form
   2,729.61/3,766.86 = 1,487.61/x
3. Step 3: Cross multiply
   2,729.61x = 3,766.86 × 1,487.61
4. Step 4: Simplify right side
   2,729.61x = 5,603,618.60
5. Step 5: Solve for x
   x = 5,603,618.60/2,729.61
6. Step 6: Final answer
   x = 2,052.90