Finding the Fourth Proportional to 2,384.79, 3,577.23 and 998.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.79 : 3,577.23 = 998.16 : x
2. Step 2: Convert to fraction form
   2,384.79/3,577.23 = 998.16/x
3. Step 3: Cross multiply
   2,384.79x = 3,577.23 × 998.16
4. Step 4: Simplify right side
   2,384.79x = 3,570,647.90
5. Step 5: Solve for x
   x = 3,570,647.90/2,384.79
6. Step 6: Final answer
   x = 1,497.26