Finding the Fourth Proportional to 2,459.05, 3,686.51 and 999.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,459.05 : 3,686.51 = 999.23 : x
2. Step 2: Convert to fraction form
   2,459.05/3,686.51 = 999.23/x
3. Step 3: Cross multiply
   2,459.05x = 3,686.51 × 999.23
4. Step 4: Simplify right side
   2,459.05x = 3,683,655.45
5. Step 5: Solve for x
   x = 3,683,655.45/2,459.05
6. Step 6: Final answer
   x = 1,498.00