Finding the Fourth Proportional to 3,290.56, 4,934.30 and 1,210.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,290.56 : 4,934.30 = 1,210.04 : x
2. Step 2: Convert to fraction form
   3,290.56/4,934.30 = 1,210.04/x
3. Step 3: Cross multiply
   3,290.56x = 4,934.30 × 1,210.04
4. Step 4: Simplify right side
   3,290.56x = 5,970,700.37
5. Step 5: Solve for x
   x = 5,970,700.37/3,290.56
6. Step 6: Final answer
   x = 1,814.49