Finding the Fourth Proportional to 1,834.09, 2,527.55 and 1,309.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,834.09 : 2,527.55 = 1,309.21 : x
2. Step 2: Convert to fraction form
   1,834.09/2,527.55 = 1,309.21/x
3. Step 3: Cross multiply
   1,834.09x = 2,527.55 × 1,309.21
4. Step 4: Simplify right side
   1,834.09x = 3,309,087.19
5. Step 5: Solve for x
   x = 3,309,087.19/1,834.09
6. Step 6: Final answer
   x = 1,804.21