Finding the Fourth Proportional to 1,915.37, 2,643 and 1,075.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,915.37 : 2,643 = 1,075.94 : x
2. Step 2: Convert to fraction form
   1,915.37/2,643 = 1,075.94/x
3. Step 3: Cross multiply
   1,915.37x = 2,643 × 1,075.94
4. Step 4: Simplify right side
   1,915.37x = 2,843,709.42
5. Step 5: Solve for x
   x = 2,843,709.42/1,915.37
6. Step 6: Final answer
   x = 1,484.68