Finding the Fourth Proportional to 1,740.42, 2,401.78 and 954.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,740.42 : 2,401.78 = 954.47 : x
2. Step 2: Convert to fraction form
   1,740.42/2,401.78 = 954.47/x
3. Step 3: Cross multiply
   1,740.42x = 2,401.78 × 954.47
4. Step 4: Simplify right side
   1,740.42x = 2,292,426.04
5. Step 5: Solve for x
   x = 2,292,426.04/1,740.42
6. Step 6: Final answer
   x = 1,317.17