Finding the Fourth Proportional to 2,481.68, 3,719.88 and 899.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,481.68 : 3,719.88 = 899.34 : x
2. Step 2: Convert to fraction form
   2,481.68/3,719.88 = 899.34/x
3. Step 3: Cross multiply
   2,481.68x = 3,719.88 × 899.34
4. Step 4: Simplify right side
   2,481.68x = 3,345,436.88
5. Step 5: Solve for x
   x = 3,345,436.88/2,481.68
6. Step 6: Final answer
   x = 1,348.05