Finding the Fourth Proportional to 2,549.61, 3,518.24 and 1,554.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549.61 : 3,518.24 = 1,554.53 : x
2. Step 2: Convert to fraction form
   2,549.61/3,518.24 = 1,554.53/x
3. Step 3: Cross multiply
   2,549.61x = 3,518.24 × 1,554.53
4. Step 4: Simplify right side
   2,549.61x = 5,469,184.26
5. Step 5: Solve for x
   x = 5,469,184.26/2,549.61
6. Step 6: Final answer
   x = 2,145.11