Finding the Fourth Proportional to 2,459.71, 3,686.38 and 998.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,459.71 : 3,686.38 = 998.07 : x
2. Step 2: Convert to fraction form
   2,459.71/3,686.38 = 998.07/x
3. Step 3: Cross multiply
   2,459.71x = 3,686.38 × 998.07
4. Step 4: Simplify right side
   2,459.71x = 3,679,241.86
5. Step 5: Solve for x
   x = 3,679,241.86/2,459.71
6. Step 6: Final answer
   x = 1,495.80