Finding the Fourth Proportional to 2,443.41, 3,667.20 and 983.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.41 : 3,667.20 = 983.61 : x
2. Step 2: Convert to fraction form
   2,443.41/3,667.20 = 983.61/x
3. Step 3: Cross multiply
   2,443.41x = 3,667.20 × 983.61
4. Step 4: Simplify right side
   2,443.41x = 3,607,094.59
5. Step 5: Solve for x
   x = 3,607,094.59/2,443.41
6. Step 6: Final answer
   x = 1,476.25