Finding the Fourth Proportional to 1,394.58, 2,099.59 and 1,154.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,394.58 : 2,099.59 = 1,154.82 : x
2. Step 2: Convert to fraction form
   1,394.58/2,099.59 = 1,154.82/x
3. Step 3: Cross multiply
   1,394.58x = 2,099.59 × 1,154.82
4. Step 4: Simplify right side
   1,394.58x = 2,424,648.52
5. Step 5: Solve for x
   x = 2,424,648.52/1,394.58
6. Step 6: Final answer
   x = 1,738.62