Finding the Fourth Proportional to 1,361.16, 2,029.55 and 1,336.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,361.16 : 2,029.55 = 1,336.59 : x
2. Step 2: Convert to fraction form
   1,361.16/2,029.55 = 1,336.59/x
3. Step 3: Cross multiply
   1,361.16x = 2,029.55 × 1,336.59
4. Step 4: Simplify right side
   1,361.16x = 2,712,669.55
5. Step 5: Solve for x
   x = 2,712,669.55/1,361.16
6. Step 6: Final answer
   x = 1,992.91