Finding the Fourth Proportional to 2,487.04, 3,727.50 and 1,098.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487.04 : 3,727.50 = 1,098.88 : x
2. Step 2: Convert to fraction form
   2,487.04/3,727.50 = 1,098.88/x
3. Step 3: Cross multiply
   2,487.04x = 3,727.50 × 1,098.88
4. Step 4: Simplify right side
   2,487.04x = 4,096,075.20
5. Step 5: Solve for x
   x = 4,096,075.20/2,487.04
6. Step 6: Final answer
   x = 1,646.97