Finding the Fourth Proportional to 2,213.98, 3,056.52 and 1,330

Step by Step Solution

1. Step 1: Write the proportion equation
   2,213.98 : 3,056.52 = 1,330 : x
2. Step 2: Convert to fraction form
   2,213.98/3,056.52 = 1,330/x
3. Step 3: Cross multiply
   2,213.98x = 3,056.52 × 1,330
4. Step 4: Simplify right side
   2,213.98x = 4,065,171.60
5. Step 5: Solve for x
   x = 4,065,171.60/2,213.98
6. Step 6: Final answer
   x = 1,836.14