Finding the Fourth Proportional to 2,452.69, 3,679.76 and 992.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,452.69 : 3,679.76 = 992.89 : x
2. Step 2: Convert to fraction form
   2,452.69/3,679.76 = 992.89/x
3. Step 3: Cross multiply
   2,452.69x = 3,679.76 × 992.89
4. Step 4: Simplify right side
   2,452.69x = 3,653,596.91
5. Step 5: Solve for x
   x = 3,653,596.91/2,452.69
6. Step 6: Final answer
   x = 1,489.63