Finding the Fourth Proportional to 2,213.53, 3,319.58 and 982.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,213.53 : 3,319.58 = 982.02 : x
2. Step 2: Convert to fraction form
   2,213.53/3,319.58 = 982.02/x
3. Step 3: Cross multiply
   2,213.53x = 3,319.58 × 982.02
4. Step 4: Simplify right side
   2,213.53x = 3,259,908.86
5. Step 5: Solve for x
   x = 3,259,908.86/2,213.53
6. Step 6: Final answer
   x = 1,472.72