Finding the Fourth Proportional to 1,740.07, 2,402.42 and 1,151.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,740.07 : 2,402.42 = 1,151.40 : x
2. Step 2: Convert to fraction form
   1,740.07/2,402.42 = 1,151.40/x
3. Step 3: Cross multiply
   1,740.07x = 2,402.42 × 1,151.40
4. Step 4: Simplify right side
   1,740.07x = 2,766,146.39
5. Step 5: Solve for x
   x = 2,766,146.39/1,740.07
6. Step 6: Final answer
   x = 1,589.68