Finding the Fourth Proportional to 2,459.98, 3,690.90 and 999.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,459.98 : 3,690.90 = 999.52 : x
2. Step 2: Convert to fraction form
   2,459.98/3,690.90 = 999.52/x
3. Step 3: Cross multiply
   2,459.98x = 3,690.90 × 999.52
4. Step 4: Simplify right side
   2,459.98x = 3,689,128.37
5. Step 5: Solve for x
   x = 3,689,128.37/2,459.98
6. Step 6: Final answer
   x = 1,499.66