Finding the Fourth Proportional to 1,999.94, 2,760.69 and 1,336.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,999.94 : 2,760.69 = 1,336.55 : x
2. Step 2: Convert to fraction form
   1,999.94/2,760.69 = 1,336.55/x
3. Step 3: Cross multiply
   1,999.94x = 2,760.69 × 1,336.55
4. Step 4: Simplify right side
   1,999.94x = 3,689,786.42
5. Step 5: Solve for x
   x = 3,689,786.42/1,999.94
6. Step 6: Final answer
   x = 1,844.95