Finding the Fourth Proportional to 2,213.34, 3,300.49 and 2,193.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,213.34 : 3,300.49 = 2,193.60 : x
2. Step 2: Convert to fraction form
   2,213.34/3,300.49 = 2,193.60/x
3. Step 3: Cross multiply
   2,213.34x = 3,300.49 × 2,193.60
4. Step 4: Simplify right side
   2,213.34x = 7,239,954.86
5. Step 5: Solve for x
   x = 7,239,954.86/2,213.34
6. Step 6: Final answer
   x = 3,271.05