Finding the Fourth Proportional to 1,740.72, 2,401.92 and 994.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,740.72 : 2,401.92 = 994.32 : x
2. Step 2: Convert to fraction form
   1,740.72/2,401.92 = 994.32/x
3. Step 3: Cross multiply
   1,740.72x = 2,401.92 × 994.32
4. Step 4: Simplify right side
   1,740.72x = 2,388,277.09
5. Step 5: Solve for x
   x = 2,388,277.09/1,740.72
6. Step 6: Final answer
   x = 1,372.01