Finding the Fourth Proportional to 2,549.34, 3,519.72 and 1,988.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549.34 : 3,519.72 = 1,988.82 : x
2. Step 2: Convert to fraction form
   2,549.34/3,519.72 = 1,988.82/x
3. Step 3: Cross multiply
   2,549.34x = 3,519.72 × 1,988.82
4. Step 4: Simplify right side
   2,549.34x = 7,000,089.53
5. Step 5: Solve for x
   x = 7,000,089.53/2,549.34
6. Step 6: Final answer
   x = 2,745.84