Finding the Fourth Proportional to 2,213.57, 3,054.73 and 1,329.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,213.57 : 3,054.73 = 1,329.39 : x
2. Step 2: Convert to fraction form
   2,213.57/3,054.73 = 1,329.39/x
3. Step 3: Cross multiply
   2,213.57x = 3,054.73 × 1,329.39
4. Step 4: Simplify right side
   2,213.57x = 4,060,921.04
5. Step 5: Solve for x
   x = 4,060,921.04/2,213.57
6. Step 6: Final answer
   x = 1,834.56