Finding the Fourth Proportional to 2,725.42, 4,088.55 and 1,165.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,725.42 : 4,088.55 = 1,165.43 : x
2. Step 2: Convert to fraction form
   2,725.42/4,088.55 = 1,165.43/x
3. Step 3: Cross multiply
   2,725.42x = 4,088.55 × 1,165.43
4. Step 4: Simplify right side
   2,725.42x = 4,764,913.72
5. Step 5: Solve for x
   x = 4,764,913.72/2,725.42
6. Step 6: Final answer
   x = 1,748.32