Finding the Fourth Proportional to 1,821.39, 2,513.39 and 1,075.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,821.39 : 2,513.39 = 1,075.38 : x
2. Step 2: Convert to fraction form
   1,821.39/2,513.39 = 1,075.38/x
3. Step 3: Cross multiply
   1,821.39x = 2,513.39 × 1,075.38
4. Step 4: Simplify right side
   1,821.39x = 2,702,849.34
5. Step 5: Solve for x
   x = 2,702,849.34/1,821.39
6. Step 6: Final answer
   x = 1,483.95