Finding the Fourth Proportional to 2,949.52, 4,069.50 and 1,902.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,949.52 : 4,069.50 = 1,902.20 : x
2. Step 2: Convert to fraction form
   2,949.52/4,069.50 = 1,902.20/x
3. Step 3: Cross multiply
   2,949.52x = 4,069.50 × 1,902.20
4. Step 4: Simplify right side
   2,949.52x = 7,741,002.90
5. Step 5: Solve for x
   x = 7,741,002.90/2,949.52
6. Step 6: Final answer
   x = 2,624.50