Finding the Fourth Proportional to 2,459.74, 3,686.37 and 998.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,459.74 : 3,686.37 = 998.10 : x
2. Step 2: Convert to fraction form
   2,459.74/3,686.37 = 998.10/x
3. Step 3: Cross multiply
   2,459.74x = 3,686.37 × 998.10
4. Step 4: Simplify right side
   2,459.74x = 3,679,365.90
5. Step 5: Solve for x
   x = 3,679,365.90/2,459.74
6. Step 6: Final answer
   x = 1,495.84