Finding the Fourth Proportional to 1,928.41, 2,659.74 and 1,361.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,928.41 : 2,659.74 = 1,361.00 : x
2. Step 2: Convert to fraction form
   1,928.41/2,659.74 = 1,361.00/x
3. Step 3: Cross multiply
   1,928.41x = 2,659.74 × 1,361.00
4. Step 4: Simplify right side
   1,928.41x = 3,619,907.69
5. Step 5: Solve for x
   x = 3,619,907.69/1,928.41
6. Step 6: Final answer
   x = 1,877.15