Finding the Fourth Proportional to 1,867.36, 2,576.42 and 1,204.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,867.36 : 2,576.42 = 1,204.59 : x
2. Step 2: Convert to fraction form
   1,867.36/2,576.42 = 1,204.59/x
3. Step 3: Cross multiply
   1,867.36x = 2,576.42 × 1,204.59
4. Step 4: Simplify right side
   1,867.36x = 3,103,529.77
5. Step 5: Solve for x
   x = 3,103,529.77/1,867.36
6. Step 6: Final answer
   x = 1,661.99