Finding the Fourth Proportional to 2,213.02, 3,053.89 and 1,328.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,213.02 : 3,053.89 = 1,328.30 : x
2. Step 2: Convert to fraction form
   2,213.02/3,053.89 = 1,328.30/x
3. Step 3: Cross multiply
   2,213.02x = 3,053.89 × 1,328.30
4. Step 4: Simplify right side
   2,213.02x = 4,056,482.09
5. Step 5: Solve for x
   x = 4,056,482.09/2,213.02
6. Step 6: Final answer
   x = 1,833.01