Finding the Fourth Proportional to 2,980.14, 4,469.01 and 899.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,980.14 : 4,469.01 = 899.50 : x
2. Step 2: Convert to fraction form
   2,980.14/4,469.01 = 899.50/x
3. Step 3: Cross multiply
   2,980.14x = 4,469.01 × 899.50
4. Step 4: Simplify right side
   2,980.14x = 4,019,874.50
5. Step 5: Solve for x
   x = 4,019,874.50/2,980.14
6. Step 6: Final answer
   x = 1,348.89