Finding the Fourth Proportional to 2,654.16, 3,979.89 and 898.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.16 : 3,979.89 = 898.62 : x
2. Step 2: Convert to fraction form
   2,654.16/3,979.89 = 898.62/x
3. Step 3: Cross multiply
   2,654.16x = 3,979.89 × 898.62
4. Step 4: Simplify right side
   2,654.16x = 3,576,408.75
5. Step 5: Solve for x
   x = 3,576,408.75/2,654.16
6. Step 6: Final answer
   x = 1,347.47