Finding the Fourth Proportional to 2,982.98, 4,472.72 and 902.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,982.98 : 4,472.72 = 902.36 : x
2. Step 2: Convert to fraction form
   2,982.98/4,472.72 = 902.36/x
3. Step 3: Cross multiply
   2,982.98x = 4,472.72 × 902.36
4. Step 4: Simplify right side
   2,982.98x = 4,035,976.74
5. Step 5: Solve for x
   x = 4,035,976.74/2,982.98
6. Step 6: Final answer
   x = 1,353.00