Finding the Fourth Proportional to 1,740.18, 2,401.61 and 994.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,740.18 : 2,401.61 = 994.38 : x
2. Step 2: Convert to fraction form
   1,740.18/2,401.61 = 994.38/x
3. Step 3: Cross multiply
   1,740.18x = 2,401.61 × 994.38
4. Step 4: Simplify right side
   1,740.18x = 2,388,112.95
5. Step 5: Solve for x
   x = 2,388,112.95/1,740.18
6. Step 6: Final answer
   x = 1,372.34