Finding the Fourth Proportional to 3,580.86, 5,371.32 and 983.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,580.86 : 5,371.32 = 983.82 : x
2. Step 2: Convert to fraction form
   3,580.86/5,371.32 = 983.82/x
3. Step 3: Cross multiply
   3,580.86x = 5,371.32 × 983.82
4. Step 4: Simplify right side
   3,580.86x = 5,284,412.04
5. Step 5: Solve for x
   x = 5,284,412.04/3,580.86
6. Step 6: Final answer
   x = 1,475.74