Finding the Fourth Proportional to 2,530.56, 3,489.89 and 1,992.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,530.56 : 3,489.89 = 1,992.43 : x
2. Step 2: Convert to fraction form
   2,530.56/3,489.89 = 1,992.43/x
3. Step 3: Cross multiply
   2,530.56x = 3,489.89 × 1,992.43
4. Step 4: Simplify right side
   2,530.56x = 6,953,361.53
5. Step 5: Solve for x
   x = 6,953,361.53/2,530.56
6. Step 6: Final answer
   x = 2,747.76