Finding the Fourth Proportional to 1,740.21, 2,401.69 and 994.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,740.21 : 2,401.69 = 994.27 : x
2. Step 2: Convert to fraction form
   1,740.21/2,401.69 = 994.27/x
3. Step 3: Cross multiply
   1,740.21x = 2,401.69 × 994.27
4. Step 4: Simplify right side
   1,740.21x = 2,387,928.32
5. Step 5: Solve for x
   x = 2,387,928.32/1,740.21
6. Step 6: Final answer
   x = 1,372.21