Finding the Fourth Proportional to 1,958.38, 2,701.52 and 1,585.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,958.38 : 2,701.52 = 1,585.78 : x
2. Step 2: Convert to fraction form
   1,958.38/2,701.52 = 1,585.78/x
3. Step 3: Cross multiply
   1,958.38x = 2,701.52 × 1,585.78
4. Step 4: Simplify right side
   1,958.38x = 4,284,016.39
5. Step 5: Solve for x
   x = 4,284,016.39/1,958.38
6. Step 6: Final answer
   x = 2,187.53