Finding the Fourth Proportional to 2,404.98, 3,608.15 and 1,992.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.98 : 3,608.15 = 1,992.87 : x
2. Step 2: Convert to fraction form
   2,404.98/3,608.15 = 1,992.87/x
3. Step 3: Cross multiply
   2,404.98x = 3,608.15 × 1,992.87
4. Step 4: Simplify right side
   2,404.98x = 7,190,563.93
5. Step 5: Solve for x
   x = 7,190,563.93/2,404.98
6. Step 6: Final answer
   x = 2,989.86