Finding the Fourth Proportional to 1,738.14, 2,605.56 and 1,087.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,738.14 : 2,605.56 = 1,087.38 : x
2. Step 2: Convert to fraction form
   1,738.14/2,605.56 = 1,087.38/x
3. Step 3: Cross multiply
   1,738.14x = 2,605.56 × 1,087.38
4. Step 4: Simplify right side
   1,738.14x = 2,833,233.83
5. Step 5: Solve for x
   x = 2,833,233.83/1,738.14
6. Step 6: Final answer
   x = 1,630.04