Finding the Fourth Proportional to 1,357.84, 1,874.78 and 1,059.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357.84 : 1,874.78 = 1,059.41 : x
2. Step 2: Convert to fraction form
   1,357.84/1,874.78 = 1,059.41/x
3. Step 3: Cross multiply
   1,357.84x = 1,874.78 × 1,059.41
4. Step 4: Simplify right side
   1,357.84x = 1,986,153.04
5. Step 5: Solve for x
   x = 1,986,153.04/1,357.84
6. Step 6: Final answer
   x = 1,462.73