Finding the Fourth Proportional to 2,700.51, 3,725.87 and 1,581.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,700.51 : 3,725.87 = 1,581.42 : x
2. Step 2: Convert to fraction form
   2,700.51/3,725.87 = 1,581.42/x
3. Step 3: Cross multiply
   2,700.51x = 3,725.87 × 1,581.42
4. Step 4: Simplify right side
   2,700.51x = 5,892,171.40
5. Step 5: Solve for x
   x = 5,892,171.40/2,700.51
6. Step 6: Final answer
   x = 2,181.88