Finding the Fourth Proportional to 1,740.21, 2,401.54 and 994.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,740.21 : 2,401.54 = 994.29 : x
2. Step 2: Convert to fraction form
   1,740.21/2,401.54 = 994.29/x
3. Step 3: Cross multiply
   1,740.21x = 2,401.54 × 994.29
4. Step 4: Simplify right side
   1,740.21x = 2,387,824.72
5. Step 5: Solve for x
   x = 2,387,824.72/1,740.21
6. Step 6: Final answer
   x = 1,372.15