Finding the Fourth Proportional to 1,653.62, 2,481.00 and 1,100.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,653.62 : 2,481.00 = 1,100.55 : x
2. Step 2: Convert to fraction form
   1,653.62/2,481.00 = 1,100.55/x
3. Step 3: Cross multiply
   1,653.62x = 2,481.00 × 1,100.55
4. Step 4: Simplify right side
   1,653.62x = 2,730,459.37
5. Step 5: Solve for x
   x = 2,730,459.37/1,653.62
6. Step 6: Final answer
   x = 1,651.20