Finding the Fourth Proportional to 3,549.90, 5,325.72 and 1,084.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,549.90 : 5,325.72 = 1,084.72 : x
2. Step 2: Convert to fraction form
   3,549.90/5,325.72 = 1,084.72/x
3. Step 3: Cross multiply
   3,549.90x = 5,325.72 × 1,084.72
4. Step 4: Simplify right side
   3,549.90x = 5,776,915.00
5. Step 5: Solve for x
   x = 5,776,915.00/3,549.90
6. Step 6: Final answer
   x = 1,627.35