Finding the Fourth Proportional to 2,538.71, 3,805.02 and 1,306.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538.71 : 3,805.02 = 1,306.70 : x
2. Step 2: Convert to fraction form
   2,538.71/3,805.02 = 1,306.70/x
3. Step 3: Cross multiply
   2,538.71x = 3,805.02 × 1,306.70
4. Step 4: Simplify right side
   2,538.71x = 4,972,019.63
5. Step 5: Solve for x
   x = 4,972,019.63/2,538.71
6. Step 6: Final answer
   x = 1,958.48