Finding the Fourth Proportional to 2,191.06, 3,022.80 and 1,350.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.06 : 3,022.80 = 1,350.30 : x
2. Step 2: Convert to fraction form
   2,191.06/3,022.80 = 1,350.30/x
3. Step 3: Cross multiply
   2,191.06x = 3,022.80 × 1,350.30
4. Step 4: Simplify right side
   2,191.06x = 4,081,685.15
5. Step 5: Solve for x
   x = 4,081,685.15/2,191.06
6. Step 6: Final answer
   x = 1,862.88