Finding the Fourth Proportional to 3,549.30, 5,321.82 and 1,083.66

Step by Step Solution

1. Step 1: Write the proportion equation
   3,549.30 : 5,321.82 = 1,083.66 : x
2. Step 2: Convert to fraction form
   3,549.30/5,321.82 = 1,083.66/x
3. Step 3: Cross multiply
   3,549.30x = 5,321.82 × 1,083.66
4. Step 4: Simplify right side
   3,549.30x = 5,767,043.46
5. Step 5: Solve for x
   x = 5,767,043.46/3,549.30
6. Step 6: Final answer
   x = 1,624.84