Finding the Fourth Proportional to 1,992.98, 2,744.61 and 1,986.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,992.98 : 2,744.61 = 1,986.50 : x
2. Step 2: Convert to fraction form
   1,992.98/2,744.61 = 1,986.50/x
3. Step 3: Cross multiply
   1,992.98x = 2,744.61 × 1,986.50
4. Step 4: Simplify right side
   1,992.98x = 5,452,167.77
5. Step 5: Solve for x
   x = 5,452,167.77/1,992.98
6. Step 6: Final answer
   x = 2,735.69