Finding the Fourth Proportional to 2,087.38, 2,878.50 and 1,527.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087.38 : 2,878.50 = 1,527.94 : x
2. Step 2: Convert to fraction form
   2,087.38/2,878.50 = 1,527.94/x
3. Step 3: Cross multiply
   2,087.38x = 2,878.50 × 1,527.94
4. Step 4: Simplify right side
   2,087.38x = 4,398,175.29
5. Step 5: Solve for x
   x = 4,398,175.29/2,087.38
6. Step 6: Final answer
   x = 2,107.03