Finding the Fourth Proportional to 2,460.74, 3,691.82 and 999.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,460.74 : 3,691.82 = 999.50 : x
2. Step 2: Convert to fraction form
   2,460.74/3,691.82 = 999.50/x
3. Step 3: Cross multiply
   2,460.74x = 3,691.82 × 999.50
4. Step 4: Simplify right side
   2,460.74x = 3,689,974.09
5. Step 5: Solve for x
   x = 3,689,974.09/2,460.74
6. Step 6: Final answer
   x = 1,499.54