Finding the Fourth Proportional to 1,375.74, 1,896.28 and 1,076.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.74 : 1,896.28 = 1,076.45 : x
2. Step 2: Convert to fraction form
   1,375.74/1,896.28 = 1,076.45/x
3. Step 3: Cross multiply
   1,375.74x = 1,896.28 × 1,076.45
4. Step 4: Simplify right side
   1,375.74x = 2,041,238.43
5. Step 5: Solve for x
   x = 2,041,238.43/1,375.74
6. Step 6: Final answer
   x = 1,483.74