Finding the Fourth Proportional to 1,165.74, 1,734.15 and 1,154.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,165.74 : 1,734.15 = 1,154.00 : x
2. Step 2: Convert to fraction form
   1,165.74/1,734.15 = 1,154.00/x
3. Step 3: Cross multiply
   1,165.74x = 1,734.15 × 1,154.00
4. Step 4: Simplify right side
   1,165.74x = 2,001,200.43
5. Step 5: Solve for x
   x = 2,001,200.43/1,165.74
6. Step 6: Final answer
   x = 1,716.68