Finding the Fourth Proportional to 2,460.72, 3,688.62 and 899.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,460.72 : 3,688.62 = 899.46 : x
2. Step 2: Convert to fraction form
   2,460.72/3,688.62 = 899.46/x
3. Step 3: Cross multiply
   2,460.72x = 3,688.62 × 899.46
4. Step 4: Simplify right side
   2,460.72x = 3,317,766.15
5. Step 5: Solve for x
   x = 3,317,766.15/2,460.72
6. Step 6: Final answer
   x = 1,348.29